CVE-2026-69624 Active Directory Certificate Services (AD CS) Tampering Vulnerability

Medium 6.5 Published Updated

An authorized attacker can tamper with Active Directory Certificate Services due to incomplete input validation, potentially leading to privilege escalation.

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

What is CVE-2026-69624?

CVE-2026-69624 is a medium-severity vulnerability in Microsoft Windows 10 1607, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Incomplete list of disallowed inputs in Active Directory Certificate Services (AD CS) allows an authorized attacker to perform tampering over a network.

Weakness: CWE-184

Which versions are affected by CVE-2026-69624?

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-2026-69624?

No fix has been published for CVE-2026-69624 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-69624 being exploited?

There is no known exploitation of CVE-2026-69624 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-hx69-939j-r82m.

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