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OpenAdvisories
Medium · 4.4 CVE-2026-32220 EUVD-2026-22607GHSA-m38r-h8hp-4q9w

UEFI Secure Boot Security Feature Bypass Vulnerability

Published Apr 14, 2026 · Updated Oct 15, 2026 · Assigned by microsoft

Description

Improper access control in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.

Affected products

VendorProductAffectedFixed
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.8246 10.0.26100.8246
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.8246 10.0.26200.8246
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.1836 10.0.28000.1836
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.32690 10.0.26100.32690
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.32690 10.0.26100.32690

Advisories 3

References