Skip to content
OpenAdvisories
High · 7.8 CVE-2026-40419 EUVD-2026-29676GHSA-qm7q-9qmg-qg28

Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

Published May 12, 2026 · Updated Aug 10, 2026 · Assigned by microsoft

Description

Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

Affected products

VendorProductAffectedFixed
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – < https://aka.ms/OfficeSecurityReleases https://aka.ms/OfficeSecurityReleases
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

Advisories 3

References