What is CVE-2026-32220?

CVE-2026-32220 is a medium-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Improper Access Control. CVSS score: 4.4/10. Published 2026-04-14.

How severe is CVE-2026-32220?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Microsoft Windows 11 Version 24h2

CVE-2026-32220

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

EPSS: 0.001 (19.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). 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.

Affected products

Microsoft Windows 11 Version 24h2 — versions 10.0.26100.0
Microsoft Windows 11 Version 25h2 — versions 10.0.26200.0
Microsoft Windows 11 Version 26h1 — versions 10.0.28000.0
Microsoft Windows Server 2025 — versions 10.0.26100.0
Microsoft Windows Server 2025 (Server Core Installation) — versions 10.0.26100.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

UEFI Secure Boot Security Feature Bypass Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-32220?: CVE-2026-32220 is a medium-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Improper Access Control. CVSS score: 4.4/10. Published 2026-04-14.
How severe is CVE-2026-32220?: Medium severity. CVSS v3 base score is 4.4 out of 10.