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7.8Alta

CVE-2026-81953Microsoft Excel Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Excel 2016; Microsoft Microsoft Office 2016; Microsoft Microsoft Office 2019 Publicada: (hace 1 mes)

Descripción

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Debilidad (CWE): CWE-121

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
microsoft 365 apps 16.0.1 – < 16.0.20326.20138
microsoft excel 2016
microsoft excel 2016 16.0.0.0 – < 16.0.5569.1003
microsoft microsoft 365 —
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – < 16.0.20326.20138
Microsoft Microsoft Excel 2016 16.0.0.0 – < 16.0.5569.1003
Microsoft Microsoft Office 2016 16.0.0 – < 16.0.5569.1003
Microsoft Microsoft Office 2019 19.0.0 – < 16.0.10417.20207
Microsoft Microsoft Office 365 for Mac 1.0.0 – < 16.113.26091433
Microsoft Microsoft Office LTSC 2021 16.0.1 – < 16.0.14334.20906
Microsoft Microsoft Office LTSC 2024 16.0.0 – < 16.0.17932.20976
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 – < 16.113.26091433
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 – < 16.113.26091433
microsoft office 2016 16.0.0 – < 16.0.5569.1003
microsoft office 2019 19.0.0 – < 16.0.10417.20207
microsoft office 2021 16.0.1 – < 16.0.14334.20906
microsoft office 2024 16.0.0 – < 16.0.17932.20976
microsoft office 365 1.0.0 – < 16.113.26091433
microsoft office macos 2021 16.0.1 – < 16.113.26091433
microsoft office macos 2024 16.0.0 – < 16.113.26091433

Referencias y parches

Coincidencias CPE (NVD) (15)
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
  • cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*
  • cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*
  • cpe:2.3:a:microsoft:microsoft_365:-:*:*:*:*:macos:*:*
  • cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*
  • cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x86:*
  • cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*
  • cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
  • cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
  • cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
  • cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*
  • cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
  • cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
  • cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:macos:-:*

CVE recientes del mismo producto — Microsoft Office / 365 Apps

8.8Alta
CVE-2026-108449

Microsoft Office Word Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office 365 for Mac; Microsoft Microsoft Office LTSC 2021; Microsoft Microsoft Office LTSC 2024

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.