Microsoft Office Word Remote Code Execution Vulnerability
CVE-2026-80080
Scope
What the vendor says is affected
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Office LTSC for Mac 2021
- Microsoft Office LTSC 2021 for 64-bit editions
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office LTSC 2024 for 32-bit editions
- Microsoft Office LTSC 2024 for 64-bit editions
- Microsoft Office 2016 (32-bit edition)
- Microsoft Office 2016 (64-bit edition)
- Microsoft Office 365 for Mac
Versions the vendor lists as fixed
- https://aka.ms/OfficeSecurityReleases
- 16.0.17932.20960
- 16.0.5569.1002
Next step
What the vendor recommends
Click to Run Release Notes Install KB5002923.
Review the complete instructions on the vendor's siteTimeline
When this advisory changed
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.
Vulnerabilities