{"id":"CVE-2021-43231","aliases":["EUVD-2021-30175","GHSA-f8qm-9xxp-9j3m"],"status":"published","title":"Windows NTFS Elevation of Privilege Vulnerability","description":"Windows NTFS Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/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":0.00718,"percentile":0.54303,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-12-15T14:15:16Z","modified":"2026-06-17T04:10:41Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1909"},{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows 10 version 20h2"},{"vendor":"microsoft","product":"windows 10 version 21h1"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows server version 20h2"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_11"},{"vendor":"microsoft","product":"windows_server"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43231","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43231"},{"url":"https://github.com/advisories/GHSA-f8qm-9xxp-9j3m"}],"sources":{"cve":[{"id":"CVE-2021-43231","title":"Windows NTFS Elevation of Privilege Vulnerability","description":"Windows NTFS Elevation of Privilege Vulnerability","status":"published","published":"2021-12-15T14:15:16Z","modified":"2024-11-18T20:17:20.391Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30175","description":"Windows NTFS Elevation of Privilege Vulnerability","status":"published","published":"2021-12-15T14:15:16Z","modified":"2024-11-18T20:17:20Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:56.531722Z"}],"ghsa":[{"id":"GHSA-f8qm-9xxp-9j3m","title":"Windows NTFS Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-43229, CVE...","description":"Windows NTFS Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-43229, CVE-2021-43230.","status":"published","published":"2021-12-16T00:01:56Z","modified":"2023-02-01T05:07:10Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:50:29.480738Z"}],"nvd":[{"id":"CVE-2021-43231","description":"Windows NTFS Elevation of Privilege Vulnerability","status":"published","published":"2021-12-15T15:15:09.943Z","modified":"2026-06-17T04:10:41.8Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}