CVE-2026-26119 Windows Admin Center Elevation of Privilege Vulnerability

High 8.8 Published Updated

An authorized attacker can elevate privileges over the network due to improper authentication 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-2026-26119?

CVE-2026-26119 is a high-severity vulnerability in Microsoft Windows Admin Center, published on 17 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

Weakness: CWE-287

Which versions are affected by CVE-2026-26119?

It affects 1 product.

Products include Microsoft Windows Admin Center.

How do I fix CVE-2026-26119?

No fix has been published for CVE-2026-26119 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-26119 being exploited?

There is no known exploitation of CVE-2026-26119 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-w5xc-rm8g-jf7m.

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