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DIRECTORIO CVE · 2026

Vulnerabilidades de Microsoft Office

613 registros, ordenados por fecha oficial de publicación descendente.

Mostrando 100 registros · Página 4 de 7

Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-62870: CWE-416: Uso de memoria después de liberarla (Use After Free) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-416: Uso de memoria después de liberarla (Use After Free)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases

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Sin clasificar

Microsoft Office · Linux

CVE-2026-64479: vulnerabilidad de seguridad en Linux

El registro oficial identifica la vulnerabilidad «vulnerabilidad de seguridad» en Linux. Linux: 6389f2c135311c4ce7c08c3b29145c8f95aacf1f hasta d7649aa11089a93ea2285c210397aa67e5800766, d7e2ce72833bb23a82b4201fbed7214cc04a4a8c hasta a224c84e5d3d35708c082c84ad12d81d90762195, 46397622a3fa8372b8fda0f04b33d16923b03b1b hasta ea672a9f6cc38f06fe69dd2c257ef8a3d4db179a, 46397622a3fa8372b8fda0f04b33d16923b03b1b hasta fb1aa5082847b98f44f9c6272aee9d0dca9244f0, 46397622a3fa8372b8fda0f04b33d16923b03b1b hasta 651ba82fe2a144bc7356d940bfd235c3810b0549, 46397622a3fa8372b8fda0f04b33d16923b03b1b hasta 6ded42615fa1f4949925afd0a8a9e1ab3bf96202; Linux: 6.5, 0 hasta 6.5, 6.6.145 hasta 6.6.*, 6.12.96 hasta 6.12.*, 6.18.39 hasta 6.18.*, 7.1.4 hasta 7.1.*

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Alta

Microsoft Office · Linux

CVE-2026-64467: vulnerabilidad de seguridad en Linux

El registro oficial identifica la vulnerabilidad «vulnerabilidad de seguridad» en Linux. Linux: eafedbc7c050c44744fbdf80bdf3315e860b7513 hasta 89b8cc948dce661af87527623b3a41cdd115e2f9, eafedbc7c050c44744fbdf80bdf3315e860b7513 hasta 74920b1b4e474ba7a4de4323c0458deec49d210b, eafedbc7c050c44744fbdf80bdf3315e860b7513 hasta 803c8a9502e9b97cd6ae937618ef4a8fd6274343; Linux: 6.18, 0 hasta 6.18, 6.18.39 hasta 6.18.*, 7.1.4 hasta 7.1.*, 7.2 hasta *

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Sin clasificar

Microsoft Office · Linux

CVE-2026-64369: vulnerabilidad de seguridad en Linux

El registro oficial identifica la vulnerabilidad «vulnerabilidad de seguridad» en Linux. Linux: 802ba53eefc592a6a82231f74e19bafe3256f172 hasta c9e0f1517631ac08987f8385817119bccf2f1f12, 802ba53eefc592a6a82231f74e19bafe3256f172 hasta be79d285bea70d0edd5015bd487311bfa8cbebc9, 802ba53eefc592a6a82231f74e19bafe3256f172 hasta c94806905e02cc8e17a69c822d93c41743b7ffc5, 802ba53eefc592a6a82231f74e19bafe3256f172 hasta 37540b8c287fc817bdbd0c62bb75ad6eab0e5d03; Linux: 6.7, 0 hasta 6.7, 6.12.97 hasta 6.12.*, 6.18.39 hasta 6.18.*, 7.1.4 hasta 7.1.*, 7.2 hasta *

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Alta

Microsoft Office · Linux

CVE-2026-64364: vulnerabilidad de seguridad en Linux

El registro oficial identifica la vulnerabilidad «vulnerabilidad de seguridad» en Linux. Linux: fc488f675344931ffab6a51c43691065ec006567 hasta 12e90656e330ff8bbaf2f29c535fdb8a11cc6f55, 77711d850bed75ae7142c3d1f22c1a8b4d049c33 hasta 152983d87387f6a8ae72b73474cfa55fbcf1ec75, 6acfe25968913788d30ec0eedd80178c4ea3f1d0 hasta b5c037d6b807017e74a115288f81bc9cd5a5aab8, d280c138e66be87d1fccfed42593f02fdb893905 hasta a6d5ce2e1a2d7bf189bde8a659d04b65f0b0725d, f32fea4c0234c971c12e46d76612cdc2dd4bb046 hasta e24918ee67c4dc3d20d4670750e46e9b160365f4, 46f781e0d151844589dc2125c8cce3300546f92a hasta 37daa8c96bd563d03150e23f094cb60703594a6d; Linux: 6.18, 0 hasta 6.18, 5.10.261 hasta 5.10.*, 5.15.212 hasta 5.15.*, 6.1.178 hasta 6.1.*, 6.6.145 hasta 6.6.*

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Sin clasificar

Microsoft Office · Linux

CVE-2026-64083: vulnerabilidad de seguridad en Linux

El registro oficial identifica la vulnerabilidad «vulnerabilidad de seguridad» en Linux. Linux: d98dfad35c38c037b37c4adc99df01da571031a5 hasta fd9196aad9e5a3845cea17de3405ebc700382142, d98dfad35c38c037b37c4adc99df01da571031a5 hasta ee4799becf7d2af3778007e22c2e55c4009a49c7, d98dfad35c38c037b37c4adc99df01da571031a5 hasta c603b6c6840ac0c6285f5eefea0de6242710af21, d98dfad35c38c037b37c4adc99df01da571031a5 hasta a2d1c819348b36fccbbfcf37c5fa7a50a9b4528f, d98dfad35c38c037b37c4adc99df01da571031a5 hasta ae25cf2ea9ebd06d7ad416647dbdc7b5d0172946, d98dfad35c38c037b37c4adc99df01da571031a5 hasta eb3cd9bb590460c6127145cb245be925d23f5232; Linux: 5.10, 0 hasta 5.10, 5.10.258 hasta 5.10.*, 5.15.209 hasta 5.15.*, 6.1.175 hasta 6.1.*, 6.6.142 hasta 6.6.*

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Alta

Microsoft Office · Linux

CVE-2026-64030: vulnerabilidad de seguridad en Linux

El registro oficial identifica la vulnerabilidad «vulnerabilidad de seguridad» en Linux. Linux: de86c5f60839dc0d771711a848b4f55ad3f90844 hasta 2d8379834800c30602f24c71ab7c40f5fe84d200, de86c5f60839dc0d771711a848b4f55ad3f90844 hasta 863f1f02a3bd70dbd857b8ac4070292fde8cb4e2, de86c5f60839dc0d771711a848b4f55ad3f90844 hasta f718506edd2d9c6a308ded9d13c632bf7b7d5a2c; Linux: 6.15, 0 hasta 6.15, 6.18.34 hasta 6.18.*, 7.0.11 hasta 7.0.*, 7.1 hasta *

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Media

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-62826: CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting) en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting)» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Crítica

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-58644: CWE-502: Deserialización de datos no confiables en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-502: Deserialización de datos no confiables» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5556.1005; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20153; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20384

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-58618: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019

CVE-2026-58277: CWE-285: vulnerabilidad de seguridad en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019

El registro oficial identifica la vulnerabilidad «CWE-285: vulnerabilidad de seguridad» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-56195: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-56193: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-56192: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft Office 365 for Mac / Microsoft Office for Android / Microsoft Office LTSC for Mac 2021

CVE-2026-56176: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft Office 365 for Mac / Microsoft Office for Android / Microsoft Office LTSC for Mac 2021

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft Office 365 for Mac / Microsoft Office for Android / Microsoft Office LTSC for Mac 2021. Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office for Android: 16.0.1 hasta 16.0.20228.20042; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Windows 10 Version 1607: 10.0.14393.0 hasta 10.0.14393.9339; Windows 10 Version 1809: 10.0.17763.0 hasta 10.0.17763.9020; Windows 10 Version 21H2: 10.0.19044.0 hasta 10.0.19044.7548; Windows 10 Version 22H2: 10.0.19045.0 hasta 10.0.19045.7548

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Media

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-56164: CWE-306: vulnerabilidad de seguridad en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-306: vulnerabilidad de seguridad» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Media

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-56157: CWE-284: vulnerabilidad de seguridad en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-284: vulnerabilidad de seguridad» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 365 for Mac / Microsoft Office LTSC 2021

CVE-2026-56156: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 365 for Mac / Microsoft Office LTSC 2021

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 365 for Mac / Microsoft Office LTSC 2021. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55949: CWE-908: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-908: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55948: CWE-416: Uso de memoria después de liberarla (Use After Free) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-416: Uso de memoria después de liberarla (Use After Free)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55947: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55899: CWE-121: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-121: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55898: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55142: CWE-197: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-197: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55141: CWE-121: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-121: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55140: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55139: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55138: CWE-822: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-822: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55137: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55136: CWE-822: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-822: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55135: CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting) en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting)» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55134: CWE-121: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-121: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 365 for Mac / Microsoft Office LTSC for Mac 2021

CVE-2026-55133: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 365 for Mac / Microsoft Office LTSC for Mac 2021

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 365 for Mac / Microsoft Office LTSC for Mac 2021. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55132: CWE-415: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-415: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55131: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office LTSC 2021

CVE-2026-55130: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office LTSC 2021

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office LTSC 2021. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434; Microsoft Word 2016: 16.0.1 hasta 16.0.5561.1000

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55129: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55128: CWE-416: Uso de memoria después de liberarla (Use After Free) en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-416: Uso de memoria después de liberarla (Use After Free)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55127: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

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Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55126: CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting) en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting)» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55125: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55124: CWE-1287: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-1287: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55123: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft PowerPoint 2016: 16.0.0 hasta 16.0.5561.1000

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55122: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55121: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55120: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft PowerPoint 2016: 16.0.0 hasta 16.0.5561.1000

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55058: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55057: CWE-190: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-190: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55056: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55055: CWE-121: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-121: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55054: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55053: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55052: CWE-862: Falta de autorización en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-862: Falta de autorización» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Media

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55051: CWE-918: vulnerabilidad de seguridad en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-918: vulnerabilidad de seguridad» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55050: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55049: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55048: CWE-190: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-190: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55047: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55046: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55045: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55044: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55043: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft PowerPoint 2016: 16.0.0 hasta 16.0.5561.1000

Leer análisis
Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55042: CWE-908: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-908: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55041: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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Crítica

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55040: CWE-1390: vulnerabilidad de seguridad en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-1390: vulnerabilidad de seguridad» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55039: CWE-191: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-191: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55038: CWE-121: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-121: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55037: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55036: CWE-126: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-126: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55035: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55034: CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting) en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting)» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55033: CWE-190: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-190: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

CVE-2026-55032: CWE-416: Uso de memoria después de liberarla (Use After Free) en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac

El registro oficial identifica la vulnerabilidad «CWE-416: Uso de memoria después de liberarla (Use After Free)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2019 / Microsoft Office 365 for Mac. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55031: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Media

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55030: CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting) en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting)» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55029: CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow) en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-122: Desbordamiento de búfer en memoria dinámica (Heap-based Buffer Overflow)» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55028: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55027: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55026: CWE-190: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-190: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55025: CWE-843: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-843: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

CVE-2026-55024: CWE-843: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-843: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Excel 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016: 16.0.0.0 hasta 16.0.5561.1001; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Media

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55023: CWE-125: Lectura fuera de límites (Out-of-bounds Read) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-125: Lectura fuera de límites (Out-of-bounds Read)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55022: CWE-843: vulnerabilidad de seguridad en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-843: vulnerabilidad de seguridad» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

Leer análisis
Alta

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55021: CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting) en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting)» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Media

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55020: CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting) en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting)» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Media

Microsoft Office · Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

CVE-2026-55019: CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting) en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition

El registro oficial identifica la vulnerabilidad «CWE-79: Neutralización incorrecta de entrada durante la generación de páginas web (Cross-Site Scripting)» en Microsoft SharePoint Enterprise Server 2016 / Microsoft SharePoint Server 2019 / Microsoft SharePoint Server Subscription Edition. Microsoft SharePoint Enterprise Server 2016: 16.0.0 hasta 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 hasta 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 hasta 16.0.19725.20434

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Alta

Microsoft Office · Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

CVE-2026-55018: CWE-416: Uso de memoria después de liberarla (Use After Free) en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019

El registro oficial identifica la vulnerabilidad «CWE-416: Uso de memoria después de liberarla (Use After Free)» en Microsoft 365 Apps for Enterprise / Microsoft Office 2016 / Microsoft Office 2019. Microsoft 365 Apps for Enterprise: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 2016: 16.0.0 hasta 16.0.5561.1000; Microsoft Office 2019: 19.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 hasta 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 hasta https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 hasta 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 hasta 16.111.26071215

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