CVE-2026-103576 MEDIUM

CVE-2026-103576: Active Directory Federation Services (AD FS) Spoofing Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-601 · Open redirect
Published October 13, 2026
Last update October 16, 2026

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

Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

Key dates

02Disclosure timeline

October 13, 2026 CVE published
October 16, 2026 Record updated

Related vulnerabilities

04Related CVE