CVE-2026-26119

8.8 HIGH

Published: February 17, 2026 Modified: February 19, 2026

Description

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

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: secure@microsoft.com

Vendor Advisory Patch

1 reference(s) from NVD

CVSS v3 Score

8.8 / 10.0

EPSS (Exploit Probability)

0.1%

21th percentile

Exploitation Status

Not in CISA KEV

CWE-287

microsoft