CVE-2026-32220 UEFI Secure Boot Security Feature Bypass Vulnerability

Medium 4.4 Published Updated

An authorized local attacker can bypass UEFI Secure Boot protections in Windows Virtualization-Based Security Enclave.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-32220?

CVE-2026-32220 is a medium-severity vulnerability in Microsoft Windows 11 24h2, published on 14 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

Weakness: CWE-284

Which versions are affected by CVE-2026-32220?

It affects 4 products.

Products include Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows Server 2025.

How do I fix CVE-2026-32220?

No fix has been published for CVE-2026-32220 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-32220 being exploited?

There is no known exploitation of CVE-2026-32220 in the wild and no public exploit code.

All Microsoft Windows 11 24h2 vulnerabilities

Sources

Also known as GHSA-m38r-h8hp-4q9w.

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