CVE-2026-50380 Windows GDI+ Remote Code Execution Vulnerability

Critical 9.6 Published Updated

Heap-based buffer overflow in Windows GDI+ allows remote attackers to execute arbitrary code over the network.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-50380?

CVE-2026-50380 is a critical memory corruption vulnerability in Microsoft Windows 10 1607, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

Weakness: CWE-122

Which versions are affected by CVE-2026-50380?

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-2026-50380?

No fix has been published for CVE-2026-50380 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-50380 being exploited?

There is no known exploitation of CVE-2026-50380 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-9q7r-6hhw-m22r.

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