Unrated severityCISA KEVNVD Advisory· Published Dec 9, 2025· Updated Apr 16, 2026
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2025-62221
Description
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Affected products
13- Range: 10.0.17763.0
10.0.19044.0+ 1 more
- (no CPE)range: 10.0.19044.0
- (no CPE)range: 10.0.19045.0
- Microsoft/Windows 11 version 22H3v5Range: 10.0.22631.0
- Range: 10.0.22631.0
- Range: 10.0.26100.0
- Range: 10.0.26200.0
- Range: 10.0.17763.0
- Microsoft/Windows Server 2019 (Server Core installation)v5Range: 10.0.17763.0
- Range: 10.0.20348.0
- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
- Range: 10.0.26100.0
- Microsoft/Windows Server 2025 (Server Core installation)v5Range: 10.0.26100.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62221mitrevendor-advisorypatch
News mentions
1- MiniPlasma Windows 0-Day Enables SYSTEM Privilege Escalation on Fully Patched SystemsThe Hacker News · May 18, 2026