CVE-2026-83511

HighCVSS 7.4/10Last modified Oct 14, 2026

Description

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

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-1390

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 14, 2026
NVD status
Undergoing Analysis

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CVE-2026-83511: High severity, CVSS 7.4 | Vulnix