Google: CVE-2026-111497 Buffer overflow vulnerability in the Brotli decoder
CVE-2026-111497
Summary
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Products covered
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition
Remediation
Install KB5002880. Install KB5002874. Install KB5002873.
Vendor-listed fixes
16.0.5556.1005
16.0.10417.20153
16.0.19725.20384
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.