{"id":"CVE-2021-42297","aliases":["EUVD-2021-29272","GHSA-3jrq-x5vv-pvcw"],"status":"published","title":"Windows 10 Update Assistant Elevation of Privilege Vulnerability","description":"Windows 10 Update Assistant Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01442,"percentile":0.73402,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2021-11-24T01:05:12Z","modified":"2026-08-19T18:31:44Z","products":[{"vendor":"microsoft","product":"windows update assistant"},{"vendor":"microsoft","product":"windows_10_update_assistant"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42297","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42297","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1334/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42297"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1334"},{"url":"https://github.com/advisories/GHSA-3jrq-x5vv-pvcw"}],"sources":{"cve":[{"id":"CVE-2021-42297","title":"Windows 10 Update Assistant Elevation of Privilege Vulnerability","description":"Windows 10 Update Assistant Elevation of Privilege Vulnerability","status":"published","published":"2021-11-24T01:05:12Z","modified":"2026-08-19T16:27:08.36Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29272","description":"Windows 10 Update Assistant Elevation of Privilege Vulnerability","status":"published","published":"2021-11-24T01:05:12Z","modified":"2026-08-19T16:27:08Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:01:43.218519Z"}],"ghsa":[{"id":"GHSA-3jrq-x5vv-pvcw","title":"Windows 10 Update Assistant Elevation of Privilege Vulnerability This CVE ID is unique from CVE...","description":"Windows 10 Update Assistant Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-43211.","status":"published","published":"2021-11-25T00:00:40Z","modified":"2026-08-19T18:31:44Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:10:40.943268Z"}],"nvd":[{"id":"CVE-2021-42297","description":"Windows 10 Update Assistant Elevation of Privilege Vulnerability","status":"published","published":"2021-11-24T01:15:08.31Z","modified":"2026-08-19T17:18:01.51Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"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"},{"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":"2026-11-02T14:07:01.428028Z"}]}}