{"id":"CVE-2024-20659","aliases":["EUVD-2024-18374","GHSA-5mrm-qx6p-j9hx"],"status":"published","title":"Windows Hyper-V Security Feature Bypass Vulnerability","description":"Windows Hyper-V Security Feature Bypass Vulnerability","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00941,"percentile":0.61251,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2024-10-08T17:35:37Z","modified":"2026-08-19T16:26:36Z","products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 22h3"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows 11 version 24h2"},{"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 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_21h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20659","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-20659"},{"url":"https://github.com/advisories/GHSA-5mrm-qx6p-j9hx"}],"sources":{"cve":[{"id":"CVE-2024-20659","title":"Windows Hyper-V Security Feature Bypass Vulnerability","description":"Windows Hyper-V Security Feature Bypass Vulnerability","status":"published","published":"2024-10-08T17:35:37.943Z","modified":"2026-08-19T16:26:36.938Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:56.868512Z"}],"euvd":[{"id":"EUVD-2024-18374","description":"Windows Hyper-V Security Feature Bypass Vulnerability","status":"published","published":"2024-10-08T17:35:37Z","modified":"2026-08-19T16:26:36Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:01:43.792814Z"}],"ghsa":[{"id":"GHSA-5mrm-qx6p-j9hx","title":"Windows Hyper-V Security Feature Bypass Vulnerability","description":"Windows Hyper-V Security Feature Bypass Vulnerability","status":"published","published":"2024-10-08T18:33:14Z","modified":"2024-10-08T18:33:24Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:58:26.788659Z"}],"nvd":[{"id":"CVE-2024-20659","description":"Windows Hyper-V Security Feature Bypass Vulnerability","status":"published","published":"2024-10-08T18:15:05.22Z","modified":"2026-06-17T07:07:33.81Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:10:31.271525Z"}]}}