CVE-2026-83674 — Active Directory Federation Services (AD FS) Spoofing Vulnerability

Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

Published: 2026-10-13 · CVSS: 8.1 · CVSS 3.1

Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision b3c4bc369e1d7ee69235e352bacfbb449caf40a8