{"id":"CVE-2022-37979","aliases":["EUVD-2022-40586","GHSA-x64m-975w-xpwq"],"status":"published","title":"Windows Hyper-V Elevation of Privilege Vulnerability","description":"Windows Hyper-V Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00631,"percentile":0.50612,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2022-10-11T00:00:00Z","modified":"2026-06-17T04:55:49Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"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 11 version 22h2"},{"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_10"},{"vendor":"microsoft","product":"windows_11"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37979","tags":["vendor-advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37979","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-37979"},{"url":"https://github.com/advisories/GHSA-x64m-975w-xpwq"}],"sources":{"cve":[{"id":"CVE-2022-37979","title":"Windows Hyper-V Elevation of Privilege Vulnerability","description":"Windows Hyper-V Elevation of Privilege Vulnerability","status":"published","published":"2022-10-11T00:00:00Z","modified":"2025-01-02T21:27:27.798Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:34:26.977054Z"}],"euvd":[{"id":"EUVD-2022-40586","description":"Windows Hyper-V Elevation of Privilege Vulnerability","status":"published","published":"2022-10-11T00:00:00Z","modified":"2025-01-02T21:27:27Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:27.013318Z"}],"ghsa":[{"id":"GHSA-x64m-975w-xpwq","title":"Windows Hyper-V Elevation of Privilege Vulnerability.","description":"Windows Hyper-V Elevation of Privilege Vulnerability.","status":"published","published":"2022-10-12T12:00:28Z","modified":"2025-01-03T00:32:10Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:59:21.358574Z"}],"nvd":[{"id":"CVE-2022-37979","description":"Windows Hyper-V Elevation of Privilege Vulnerability","status":"published","published":"2022-10-11T19:15:12.667Z","modified":"2026-06-17T04:55:49.597Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:29.52424Z"}]}}