Skip to content
OpenAdvisories
High MSRC-CVE-2026-47656 1 CVE

Windows Boot Manager Security Feature Bypass Vulnerability

Published Jun 9, 2026 · Updated Jun 9, 2026

Summary

Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What kind of security feature could be bypassed by successfully exploiting this vulnerability?
An attacker who successfully exploited this vulnerability could bypass Secure Boot.

According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?
A scope change means that successfully exploiting this vulnerability could allow an attacker to affect security protections beyond the original vulnerable component. In this case, the issue could enable a bypass of Secure Boot and exposure of Virtual Secure Mode (VSM) secrets, impacting a more highly protected security boundary rather than being limited to the initially affected boot component.

Security updates
10.0.17763.8880 — https://support.microsoft.com/help/5094123
10.0.20348.5256 — https://support.microsoft.com/help/5094128
10.0.19044.7417 — https://support.microsoft.com/help/5094127
10.0.26100.32995 — https://support.microsoft.com/help/5094125
10.0.26200.8655 — https://support.microsoft.com/help/5094126
10.0.22631.7219 — https://support.microsoft.com/help/5093998
10.0.28000.2269 — https://support.microsoft.com/help/5095051
10.0.14393.9234 — https://support.microsoft.com/help/5094122
6.2.9200.26132 — https://support.microsoft.com/help/5094042
6.3.9600.23228 — https://support.microsoft.com/help/5094041

Vulnerabilities 1

Revision history

  1. #1

    Information published.

References