CVE-2026-69982 Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability

Medium 5.9 Published Updated

An attacker can bypass security features in Active Directory Federation Services due to weak authentication, requiring a patch.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-69982?

CVE-2026-69982 is a medium-severity vulnerability in Microsoft Windows 10 1607, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-1390

Which versions are affected by CVE-2026-69982?

It affects 7 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022 and 1 more.

How do I fix CVE-2026-69982?

No fix has been published for CVE-2026-69982 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-69982 being exploited?

There is no known exploitation of CVE-2026-69982 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-9p3w-qrgm-86ff.

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