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High 7.4Published Oct 14, 2025
CVE-2025-59206Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Updated under an hour ago ()
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It affects microsoft windows_11_24h2 and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
- CVSS
- 7.4 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Oct 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft windows_11_24h2 microsoft:windows_11_24h2 | before 10.0.26100.6899 | NVD |
microsoft windows_11_25h2 microsoft:windows_11_25h2 | before 10.0.26200.6899 | NVD |
microsoft windows_server_2025 microsoft:windows_server_2025 | through 10.0.26100.6899 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59206vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.