{"id":"CVE-2026-32220","published":"2026-04-14T16:57:40Z","modified":"2026-10-15T15:52:54Z","title":"UEFI Secure Boot Security Feature Bypass Vulnerability","vendor":"Microsoft","product":"Windows 11 Version 24H2","tier":"tail","description":{"text":"Improper access control in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.","provenance":"source","from":"CVE.org"},"cvss":{"score":4.4,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00288,"percentile":0.21266,"provenance":"source"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32220","tags":["vendor-advisory","patch"]}],"priority":{"score":7.3,"factors":[{"name":"EPSS percentile","points":4.25},{"name":"CVSS severity","points":3.08}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows 11 Version 24H2","versions":[">= 10.0.26100.0, < 10.0.26100.8246"]},{"vendor":"Microsoft","product":"Windows 11 Version 25H2","versions":[">= 10.0.26200.0, < 10.0.26200.8246"]},{"vendor":"Microsoft","product":"Windows 11 version 26H1","versions":[">= 10.0.28000.0, < 10.0.28000.1836"]},{"vendor":"Microsoft","product":"Windows Server 2025","versions":[">= 10.0.26100.0, < 10.0.26100.32690"]},{"vendor":"Microsoft","product":"Windows Server 2025 (Server Core installation)","versions":[">= 10.0.26100.0, < 10.0.26100.32690"]}],"euvd":{"id":"EUVD-2026-22607","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-284"}}