.NET Denial of Service Vulnerability
CVE-2026-120796
Summary
Use after free in Windows WalletService allows an authorized attacker to elevate privileges locally.
Products covered
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows Server 2025 (Server Core installation)
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows Server 2025
Windows Server 2016
Show 1 more products
Windows Server 2016 (Server Core installation)
Remediation
Install KB5082123. Install KB5082142. Install KB5082063. Install KB5082060. Install KB5082198.
Vendor-listed fixes
10.0.17763.8644
10.0.20348.5020
10.0.26100.32690
10.0.25398.2274
10.0.14393.9060
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.