HIGH 8.8 Microsoft
CVE-2025-62456
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Microsoft Security Update 2025-Dec: Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Affected Products
- Windows 11 Version 25H2 for ARM64-based Systems
- Windows 11 Version 25H2 for x64-based Systems
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2025 (Server Core installation)
- Windows 11 Version 23H2 for ARM64-based Systems
- Windows 11 Version 23H2 for x64-based Systems
- Windows Server 2022, 23H2 Edition (Server Core installation)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62456
- https://nvd.nist.gov/vuln/detail/CVE-2025-62456
This high severity vulnerability with a CVSS score of 8.8 was published on 2025-12-09 via Microsoft. Affected: Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows Server 2022 and 5 more.
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