| CVE Number | Vulnerability | Product | Severity | Date |
|---|---|---|---|---|
| CVE-2025-62221 | Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability | Windows 10, Windows 11, Windows Server | Important | 06-01-2026 |
Technical Information
An authenticated attacker can exploit a use-after-free flaw in the Windows Cloud Files Mini Filter Driver to locally elevate privileges and gain higher-level access on the affected system.
Patch release date: Dec 08, 2025
Further information on this vulnerability is available at : CVE-2025-62221
Affected Software
Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 21H2 for 32-bit Systems,
Windows 10 Version 21H2 for ARM64-based Systems,
Windows 10 Version 21H2 for x64-based Systems,
Windows 10 Version 22H2 for ARM64-based Systems,
Windows 10 Version 22H2 for x64-based Systems,
Windows 10 Version 22H2 for 32-bit Systems,
Windows Server 2025 (Server Core installation),
Windows 11 Version 25H2 for ARM64-based Systems,
Windows 11 Version 25H2 for x64-based Systems,
Windows Server 2022 (Server Core installation),
Windows 11 Version 23H2 for x64-based Systems,
Windows Server 2022, 23H2 Edition (Server Core installation),
Windows 11 Version 23H2 for ARM64-based Systems,
Windows 11 Version 24H2 for ARM64-based Systems,
Windows 11 Version 24H2 for x64-based Systems,
Windows Server 2025,
Windows 10 Version 1809 for x64-based Systems,
Windows Server 2019,
Windows Server 2019 (Server Core installation),
Windows Server 2022""Windows 10 Version 1809 for 32-bit Systems,
Windows 10 Version 21H2 for 32-bit Systems,
Windows 10 Version 21H2 for ARM64-based Systems,
Windows 10 Version 21H2 for x64-based Systems,
Windows 10 Version 22H2 for ARM64-based Systems,
Windows 10 Version 22H2 for x64-based Systems,
Windows 10 Version 22H2 for 32-bit Systems,
Windows Server 2025 (Server Core installation),
Windows 11 Version 25H2 for ARM64-based Systems,
Windows 11 Version 25H2 for x64-based Systems,
Windows Server 2022 (Server Core installation),
Windows 11 Version 23H2 for x64-based Systems,
Windows Server 2022, 23H2 Edition (Server Core installation),
Windows 11 Version 23H2 for ARM64-based Systems,
Windows 11 Version 24H2 for ARM64-based Systems,
Windows 11 Version 24H2 for x64-based Systems,
Windows Server 2025,
Windows 10 Version 1809 for x64-based Systems,
Windows Server 2019,
Windows Server 2019 (Server Core installation),
Windows Server 2022