Gitoxide before 0.42.0 Denial of Service via Crafted Commit-Graph File
CVE-2026-123533
Summary
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
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 2024 for 32-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office LTSC for Mac 2024
Microsoft Office 365 for Mac
Remediation
Click to Run Release Notes
Vendor-listed fixes
https://aka.ms/OfficeSecurityReleases
16.110.26061317
CVEs in this advisory 1
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- 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.