CVE-2026-26175 Windows Boot Manager Security Feature Bypass Vulnerability

Medium 4.6 Published Updated

An attacker with physical access can bypass security features in Windows Boot Manager due to use of uninitialized resources.

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

What is CVE-2026-26175?

CVE-2026-26175 is a medium-severity vulnerability in Microsoft Windows 10 1607, 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

Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.

Weakness: CWE-908

Which versions are affected by CVE-2026-26175?

It affects 13 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 and 7 more.

How do I fix CVE-2026-26175?

No fix has been published for CVE-2026-26175 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-26175 being exploited?

There is no known exploitation of CVE-2026-26175 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-hxjp-pw3h-w6qr.

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