CVE-2026-50299 Windows Storage Spaces Direct Remote Code Execution Vulnerability

Medium 6.8 Published Updated

An integer overflow in Windows Storage Spaces Direct allows an attacker with physical access to execute arbitrary code.

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-2026-50299?

CVE-2026-50299 is a medium-severity vulnerability in Microsoft Windows 10 1607, published on 14 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to execute code with a physical attack.

Weakness: CWE-190, CWE-122

Which versions are affected by CVE-2026-50299?

It affects 12 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2 and 6 more.

How do I fix CVE-2026-50299?

No fix has been published for CVE-2026-50299 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-50299 being exploited?

There is no known exploitation of CVE-2026-50299 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-v62v-9q7j-qhc9.

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