{"cve_id":"CVE-2021-41379","published":"2021-11-10T01:19:32.127000+00:00","last_modified":"2026-08-19T19:22:46.060000+00:00","vuln_status":"Analyzed","description":"Windows Installer Elevation of Privilege Vulnerability","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","base_score":5.5,"base_severity":"MEDIUM","attack_vector":"LOCAL","privileges_req":"LOW","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"NONE","impact_i":"NONE","impact_a":"HIGH","cwe_ids":["CWE-59"],"in_kev":true,"kev_date_added":"2022-03-03","kev_ransomware":true,"epss_score":0.19452,"epss_percentile":0.9737,"cap_rule_version":"0.1.1","stage":"PRIV_ESC","req_access":"USER","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"PRIV","caps":["DOS","PRIV_GAIN"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:52:02.050231+00:00","first_seen":"2021-11-10T01:19:32.127000+00:00","kev_first_seen":"2022-03-03T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["microsoft"],"products":["windows_10_1507","windows_10_1607","windows_10_1809","windows_10_1909","windows_10_2004","windows_10_20h2","windows_10_21h1","windows_11_21h2","windows_7","windows_8.1","windows_rt_8.1","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_10_1507","ranges":["< 10.0.10240.19119"]},{"vendor":"microsoft","product":"windows_10_1607","ranges":["< 10.0.14393.4770"]},{"vendor":"microsoft","product":"windows_10_1809","ranges":["< 10.0.17763.2300"]},{"vendor":"microsoft","product":"windows_10_1909","ranges":["< 10.0.18363.1916"]},{"vendor":"microsoft","product":"windows_10_2004","ranges":["< 10.0.19041.1348"]},{"vendor":"microsoft","product":"windows_10_20h2","ranges":["< 10.0.19042.1348"]},{"vendor":"microsoft","product":"windows_10_21h1","ranges":["< 10.0.19043.1348"]},{"vendor":"microsoft","product":"windows_11_21h2","ranges":["< 10.0.22000.318"]},{"vendor":"microsoft","product":"windows_7","ranges":["all versions"]},{"vendor":"microsoft","product":"windows_8.1","ranges":["all versions"]},{"vendor":"microsoft","product":"windows_rt_8.1","ranges":["all versions"]},{"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"]}]}