CVE-2025-21193 MEDIUM

CVE-2025-21193: Active Directory Federation Server Spoofing Vulnerability

Vendor Microsoft
Product Windows Server 2016
Weakness CWE-352 · CSRF
Published January 14, 2025
Last update June 9, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Active Directory Federation Server Spoofing Vulnerability

Key dates

02Disclosure timeline

January 14, 2025 CVE published
June 9, 2026 Record updated