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8.4Alta

CVE-2026-45463Microsoft Office Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office 2016; Microsoft Microsoft Office 2019; Microsoft Microsoft Office 365 for Mac Publicada: (hace 5 meses)

Descripción

Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.

Debilidad (CWE): CWE-191CWE-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 – < https://aka.ms/OfficeSecurityReleases
microsoft 365 copilot —
microsoft microsoft 365 —
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 2016 16.0.0 – < 16.0.5556.1005
Microsoft Microsoft Office 2019 19.0.0 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 365 for Mac 1.0.0 – < 16.110.26061317
Microsoft Microsoft Office for Android 16.0.1 – < 16.0.20131.20024
Microsoft Microsoft Office LTSC 2021 16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2024 16.0.0 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 – < 16.110.26061317
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 – < 16.110.26061317
microsoft office 16.0.1 – < 16.0.20131.20024
microsoft office 2016 16.0.0 – < 16.0.5556.1005
microsoft office 2019 19.0.0 – < https://aka.ms/OfficeSecurityReleases
microsoft office 2021 16.0.1 – < https://aka.ms/OfficeSecurityReleases
microsoft office 2024 16.0.0 – < https://aka.ms/OfficeSecurityReleases
microsoft office 365 1.0.0 – < 16.110.26061317
microsoft office macos 2021 16.0.1 – < 16.110.26061317
microsoft office macos 2024 16.0.0 – < 16.110.26061317

Referencias y parches

Coincidencias CPE (NVD) (14)
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
  • cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:android:*:*
  • 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-2026-120003

Microsoft Office 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 allows an unauthorized attacker to execute code over a network.

6.5Media
CVE-2026-119998

Microsoft Office Security Feature Bypass Vulnerability

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

Product ui does not warn user of unsafe actions in Microsoft Office allows an unauthorized attacker to bypass a security feature over a network.