{"id":"CVE-2025-59206","aliases":["EUVD-2025-34389","GHSA-v786-hjfg-r469"],"status":"published","title":"Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability","description":"Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00375,"percentile":0.31924,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2025-10-14T17:00:33Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows 11 version 25h2"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59206","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59206"},{"url":"https://github.com/advisories/GHSA-v786-hjfg-r469"}],"sources":{"cve":[{"id":"CVE-2025-59206","title":"Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability","description":"Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability","status":"published","published":"2025-10-14T17:00:33.832Z","modified":"2026-02-26T17:47:21.086Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:32:47.447481Z"}],"euvd":[{"id":"EUVD-2025-34389","description":"Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability","status":"published","published":"2025-10-14T17:00:33Z","modified":"2026-02-26T17:47:21Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:23.405029Z"}],"ghsa":[{"id":"GHSA-v786-hjfg-r469","title":"Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability","description":"Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability","status":"published","published":"2025-10-14T18:30:34Z","modified":"2025-10-14T18:30:42Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:03:57.996157Z"}],"nvd":[{"id":"CVE-2025-59206","description":"Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability","status":"published","published":"2025-10-14T17:16:00.593Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:11:38.17237Z"}]}}