CVE-2026-83646

Published: Oct 13, 2026Modified: Oct 16, 2026

4.8

Vector

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

Exploitability: 1.7 / Impact: 2.7

Source: secure@microsoft.com (Secondary)

Description

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

Related CWEs

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83646

Source: secure@microsoft.com

Timeline

No history available yet.