CVE-2026-35438 Windows Admin Center Elevation of Privilege Vulnerability

High 8.3 Published Updated

An authorized attacker can elevate privileges over the network due to missing authorization checks in Windows Admin Center.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-35438?

CVE-2026-35438 is a high-severity missing authorization vulnerability in Microsoft Windows Admin Center, published on 12 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Missing authorization in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

Weakness: CWE-862

Which versions are affected by CVE-2026-35438?

It affects 1 product.

Products include Microsoft Windows Admin Center.

How do I fix CVE-2026-35438?

No fix has been published for CVE-2026-35438 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-35438 being exploited?

There is no known exploitation of CVE-2026-35438 in the wild and no public exploit code.

Sources

Also known as GHSA-fpxw-597q-27v2.

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