HIGH 7.8 Microsoft PoC
CVE-2025-62221
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Microsoft Security Update 2025-Dec: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Affected Products
- 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)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62221
- https://nvd.nist.gov/vuln/detail/CVE-2025-62221
This high severity vulnerability with a CVSS score of 7.8 was published on 2025-12-09 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. Affected: Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems and 5 more.
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