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

Overview

Severity

High (CVSS 8.8)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

More Likely

Patch Tuesday

2026-Feb

Released

2026-02-17

EPSS Score

0.06% (percentile: 17.9%)

Description

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

FAQ

What privileges could be gained by an attacker who successfully exploited the vulnerability? The attacker would gain the rights of the user that is running the affected application.

Affected Products (1)

Windows

• Windows Admin Center

Security Updates (1)

• Release Notes

Acknowledgments

<a href="https://twitter.com/decoder_it">Andrea Pierini</a> with <a href="https://www.semperis.com/">Semperis</a>, <a href="https://twitter.com/decoder_it">Andrea Pierini</a> with <a href="https://www.semperis.com/">Semperis</a>

Revision History

• 2026-02-17: Information published.