Windows Shell Elevation of Privilege Vulnerability
CVE-2026-97013
Summary
Access of resource using incompatible type ('type confusion') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
Products covered
Windows 11 Version 26H1 for ARM64-based Systems
Windows 11 version 26H1 for x64-based Systems
Remediation
Install KB5132059.
Vendor-listed fixes
10.0.28000.3501
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.