{"cve_id":"CVE-2021-42278","published":"2021-11-10T01:19:44.300000+00:00","last_modified":"2026-08-19T19:22:57.137000+00:00","vuln_status":"Analyzed","description":"Active Directory Domain Services Elevation of Privilege Vulnerability","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","base_score":7.5,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"LOW","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":[],"in_kev":true,"kev_date_added":"2022-04-11","kev_ransomware":true,"epss_score":0.73297,"epss_percentile":0.9946,"cap_rule_version":"0.1.1","stage":"EXECUTION","req_access":"USER","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"medium","ingested_at":"2026-09-18T09:52:02.050231+00:00","first_seen":"2021-11-10T01:19:44.300000+00:00","kev_first_seen":"2022-04-11T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["microsoft"],"products":["windows_server_2004","windows_server_2008","windows_server_2012","windows_server_2016","windows_server_2019","windows_server_2022","windows_server_20h2"],"affected":[{"vendor":"microsoft","product":"windows_server_2004","ranges":["< 10.0.19041.1348"]},{"vendor":"microsoft","product":"windows_server_2008","ranges":["all versions","r2"]},{"vendor":"microsoft","product":"windows_server_2012","ranges":["all versions","r2"]},{"vendor":"microsoft","product":"windows_server_2016","ranges":["< 10.0.14393.4770"]},{"vendor":"microsoft","product":"windows_server_2019","ranges":["< 10.0.17763.2300"]},{"vendor":"microsoft","product":"windows_server_2022","ranges":["< 10.0.20348.350"]},{"vendor":"microsoft","product":"windows_server_20h2","ranges":["< 10.0.19042.1348"]}]}