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CVE-2026-69982

Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability

MEDIUM
5.9
CVSS Score
Published: October 13, 2026 at 07:00 PM UTC
Updated: October 28, 2026 at 06:14 PM UTC
7 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69982

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1390

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