CVE-2026-83511

Published: Oct 13, 2026Modified: Oct 14, 2026

7.4

Vector

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

Exploitability: 2.2 / Impact: 5.2

Source: secure@microsoft.com (Secondary)

Description

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

Related CWEs

Weak Authentication

The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83511

Source: secure@microsoft.com

Timeline

No history available yet.