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OpenAdvisories
High · 8.4 CVE-2026-20952 EUVD-2026-2112GHSA-6pv3-4577-4j8m

Microsoft Office Remote Code Execution Vulnerability

Published Jan 13, 2026 · Updated Jul 30, 2026 · Assigned by microsoft

Description

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Affected products

VendorProductAffectedFixed
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – < https://aka.ms/OfficeSecurityReleases https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 2016 16.0.0 – < 16.0.5535.1000 16.0.5535.1000
Microsoft Microsoft Office 2019 19.0.0 – < https://aka.ms/OfficeSecurityReleases https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2021 16.0.1 – < https://aka.ms/OfficeSecurityReleases https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2024 16.0.0 – < https://aka.ms/OfficeSecurityReleases https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 – < 16.105.26011018 16.105.26011018
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 – < 16.105.26011018 16.105.26011018

Advisories 3

References