HIGH 7.4 Microsoft
CVE-2025-59206
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Microsoft Security Update 2025-Oct: Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Affected Products
- Windows 11 Version 25H2 for x64-based Systems
- Windows 11 Version 25H2 for ARM64-based Systems
- Windows Server 2025 (Server Core installation)
- Windows 11 Version 24H2 for ARM64-based Systems
- Windows 11 Version 24H2 for x64-based Systems
- Windows Server 2025
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59206
- https://nvd.nist.gov/vuln/detail/CVE-2025-59206
This high severity vulnerability with a CVSS score of 7.4 was published on 2025-10-14 via Microsoft. Affected: Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows Server 2025 (Server Core installation) and 3 more.
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