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CVE-2026-16729
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
Products covered
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 LTSC for Mac 2024
Show 1 more products
Microsoft Office 365 for Mac
Remediation
Release Notes
Vendor-listed fixes
https://aka.ms/OfficeSecurityReleases
16.114.26101123
16.0.14334.20974
16.0.17932.21056
CVEs in this advisory 1
Updates
- 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.