CVE-2026-20965 Windows Admin Center Elevation of Privilege Vulnerability

High 7.5 Published Updated

An authorized attacker can elevate privileges locally in Windows Admin Center due to improper cryptographic signature verification.

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

What is CVE-2026-20965?

CVE-2026-20965 is a high-severity vulnerability in Microsoft Windows Admin Center in Azure Portal, published on 13 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.

Weakness: CWE-347

Which versions are affected by CVE-2026-20965?

It affects 1 product.

Products include Microsoft Windows Admin Center.

How do I fix CVE-2026-20965?

No fix has been published for CVE-2026-20965 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-20965 being exploited?

There is no known exploitation of CVE-2026-20965 in the wild and no public exploit code.

Sources

Also known as GHSA-r498-r54r-pxqh.

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