{"id":"CVE-2021-43237","aliases":["EUVD-2021-30181","GHSA-f87g-rqhg-rq8r"],"status":"published","title":"Windows Setup Elevation of Privilege Vulnerability","description":"Windows Setup 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":"2026-11-10","score":0.01073,"percentile":0.65189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-59"],"published":"2021-12-15T14:15:20Z","modified":"2026-06-17T04:10:42Z","products":[{"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 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"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43237","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-018/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43237"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-018"},{"url":"https://github.com/advisories/GHSA-f87g-rqhg-rq8r"}],"sources":{"cve":[{"id":"CVE-2021-43237","title":"Windows Setup Elevation of Privilege Vulnerability","description":"Windows Setup Elevation of Privilege Vulnerability","status":"published","published":"2021-12-15T14:15:20Z","modified":"2024-08-04T03:55:27.408Z","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"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30181","description":"Windows Setup Elevation of Privilege Vulnerability","status":"published","published":"2021-12-15T14:15:20Z","modified":"2024-08-04T03:55:27Z","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":"2026-11-03T03:24:14.796505Z"}],"ghsa":[{"id":"GHSA-f87g-rqhg-rq8r","title":"Windows Setup Elevation of Privilege Vulnerability","description":"Windows Setup Elevation of Privilege Vulnerability","status":"published","published":"2021-12-16T00:01:53Z","modified":"2024-08-01T15:32:18Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-59","CWE-269"],"updated_at":"2026-11-02T14:57:46.973457Z"}],"nvd":[{"id":"CVE-2021-43237","description":"Windows Setup Elevation of Privilege Vulnerability","status":"published","published":"2021-12-15T15:15:10.19Z","modified":"2026-06-17T04:10:42.863Z","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":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}