{"id":"CVE-2023-21809","aliases":["EUVD-2023-25975","GHSA-fvfp-w3v3-v2cp"],"status":"published","title":"Microsoft Defender for Endpoint Security Feature Bypass Vulnerability","description":"Microsoft Defender for Endpoint Security Feature Bypass Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00603,"percentile":0.49195,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-02-14T19:33:13Z","modified":"2026-08-19T17:18:17Z","products":[{"vendor":"microsoft","product":"defender_security_intelligence_updates"},{"vendor":"microsoft","product":"microsoft defender security intelligence updates"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21809","tags":["vendor-advisory","patch","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21809"},{"url":"https://github.com/advisories/GHSA-fvfp-w3v3-v2cp"}],"sources":{"cve":[{"id":"CVE-2023-21809","title":"Microsoft Defender for Endpoint Security Feature Bypass Vulnerability","description":"Microsoft Defender for Endpoint Security Feature Bypass Vulnerability","status":"published","published":"2023-02-14T19:33:13.148Z","modified":"2026-08-19T16:26:38.992Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:20.368244Z"}],"euvd":[{"id":"EUVD-2023-25975","description":"Microsoft Defender for Endpoint Security Feature Bypass Vulnerability","status":"published","published":"2023-02-14T19:33:13Z","modified":"2026-08-19T16:26:38Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:01:43.792814Z"}],"ghsa":[{"id":"GHSA-fvfp-w3v3-v2cp","title":"Microsoft Defender for Endpoint Security Feature Bypass Vulnerability","description":"Microsoft Defender for Endpoint Security Feature Bypass Vulnerability","status":"published","published":"2023-02-14T21:30:29Z","modified":"2023-02-14T21:30:36Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:54:07.544087Z"}],"nvd":[{"id":"CVE-2023-21809","description":"Microsoft Defender for Endpoint Security Feature Bypass Vulnerability","status":"published","published":"2023-02-14T20:15:15.893Z","modified":"2026-08-19T17:18:17.76Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:46.811196Z"}]}}