CVE-2026-50483 Windows Graphics Component Information Disclosure Vulnerability

Medium 5.5 Published Updated

An authorized local attacker can exploit the Windows Graphics Component to disclose sensitive information to unauthorized actors.

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

What is CVE-2026-50483?

CVE-2026-50483 is a medium-severity vulnerability in Microsoft Windows 11 24h2, 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

Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an authorized attacker to disclose information locally.

Weakness: CWE-200

Which versions are affected by CVE-2026-50483?

It affects 4 products.

Products include Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows Server 2025.

How do I fix CVE-2026-50483?

No fix has been published for CVE-2026-50483 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-50483 being exploited?

There is no known exploitation of CVE-2026-50483 in the wild and no public exploit code.

All Microsoft Windows 11 24h2 vulnerabilities

Sources

Also known as GHSA-276x-mfrj-hmjg.

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