{"id":"CVE-2024-20659","published":"2024-10-08T17:35:37Z","modified":"2026-08-19T16:26:36Z","title":"Windows Hyper-V Security Feature Bypass Vulnerability","vendor":"Microsoft","product":"Windows 10 Version 1809","tier":"tail","description":{"text":"Windows Hyper-V Security Feature Bypass Vulnerability","provenance":"source","from":"CVE.org"},"cvss":{"score":7.1,"severity":"HIGH","version":"3.1","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","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00948,"percentile":0.61071,"provenance":"source"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20659","tags":["vendor-advisory","patch"]}],"priority":{"score":17.2,"factors":[{"name":"EPSS percentile","points":12.21},{"name":"CVSS severity","points":4.97}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[">= 10.0.17763.0, < 10.0.17763.6414"]},{"vendor":"Microsoft","product":"Windows 10 Version 21H2","versions":[">= 10.0.19043.0, < 10.0.19044.5011"]},{"vendor":"Microsoft","product":"Windows 10 Version 22H2","versions":[">= 10.0.19045.0, < 10.0.19045.5011"]},{"vendor":"Microsoft","product":"Windows 11 version 21H2","versions":[">= 10.0.22000.0, < 10.0.22000.3260"]},{"vendor":"Microsoft","product":"Windows 11 version 22H2","versions":[">= 10.0.22621.0, < 10.0.22621.4317"]},{"vendor":"Microsoft","product":"Windows 11 version 22H3","versions":[">= 10.0.22631.0, < 10.0.22631.4317"]},{"vendor":"Microsoft","product":"Windows 11 Version 23H2","versions":[">= 10.0.22631.0, < 10.0.22631.4317"]},{"vendor":"Microsoft","product":"Windows 11 Version 24H2","versions":[">= 10.0.26100.0, < 10.0.26100.2033"]},{"vendor":"Microsoft","product":"Windows Server 2019","versions":[">= 10.0.17763.0, < 10.0.17763.6414"]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","versions":[">= 10.0.17763.0, < 10.0.17763.6414"]}],"euvd":{"id":"EUVD-2024-18374","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-20"}}