{"id":"CVE-2022-21905","aliases":["EUVD-2022-27061","GHSA-wfrx-qqph-r8qv"],"status":"published","title":"Windows Hyper-V Security Feature Bypass Vulnerability","description":"Windows Hyper-V Security Feature Bypass Vulnerability","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00748,"percentile":0.55176,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-01-11T20:23:07Z","modified":"2026-06-17T04:27:14Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1909"},{"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 7 service pack 1"},{"vendor":"microsoft","product":"windows 8.1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server version 20h2"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_11"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_server"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21905","tags":["vendor-advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21905","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21905"},{"url":"https://github.com/advisories/GHSA-wfrx-qqph-r8qv"}],"sources":{"cve":[{"id":"CVE-2022-21905","title":"Windows Hyper-V Security Feature Bypass Vulnerability","description":"Windows Hyper-V Security Feature Bypass Vulnerability","status":"published","published":"2022-01-11T20:23:07Z","modified":"2025-01-02T18:22:29.314Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:34:29.478363Z"}],"euvd":[{"id":"EUVD-2022-27061","description":"Windows Hyper-V Security Feature Bypass Vulnerability","status":"published","published":"2022-01-11T20:23:07Z","modified":"2025-01-02T18:22:29Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:04:29.532536Z"}],"ghsa":[{"id":"GHSA-wfrx-qqph-r8qv","title":"Windows Hyper-V Security Feature Bypass Vulnerability. This CVE ID is unique from CVE-2022-21900.","description":"Windows Hyper-V Security Feature Bypass Vulnerability. This CVE ID is unique from CVE-2022-21900.","status":"published","published":"2022-01-12T00:00:41Z","modified":"2024-11-14T21:32:57Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:58:50.830346Z"}],"nvd":[{"id":"CVE-2022-21905","description":"Windows Hyper-V Security Feature Bypass Vulnerability","status":"published","published":"2022-01-11T21:15:12.75Z","modified":"2026-06-17T04:27:14.8Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:A/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:10.836864Z"}]}}