CVE-2014-6331: Microsoft Active Directory Federation Services

Medium severity, CVSS 5.0. EPSS: 20.3% chance of exploitation in the next 30 days.

Microsoft Active Directory Federation Services (AD FS) 2.0, 2.1, and 3.0, when a configured SAML Relying Party lacks a sign-out endpoint, does not properly process logoff actions, which makes it easier for remote attackers to obtain access by leveraging an unattended workstation, aka "Active Directory Federation Services Information Disclosure Vulnerability."

Affected products

• Microsoft Active Directory Federation Services: version 2.1 only; version 2.0 only; version 3.0 only

Published 2014-11-11. Last modified 2026-06-17.