Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-96913
Summary
Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to disclose information locally.
Products covered
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 25H2 for ARM64-based Systems
Windows 11 Version 25H2 for x64-based Systems
Windows 11 Version 26H2 for ARM64-based Systems
Windows 11 Version 26H2 for x64-based Systems
Windows 11 Version 26H1 for ARM64-based Systems
Windows 11 version 26H1 for x64-based Systems
Remediation
Install KB5127648. Install KB5127646.
Vendor-listed fixes
10.0.26100.9711
10.0.26200.9711
10.0.26300.9711
10.0.28000.3231
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.