CVE-2026-69640 Windows Key Distribution Center Security Feature Bypass Vulnerability
An authorized attacker can bypass security features in the Windows Key Distribution Center over a network due to incorrect authorization.
- 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-2026-69640?
CVE-2026-69640 is a medium-severity vulnerability in Microsoft Windows 10 1607, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incorrect authorization in Windows Key Distribution Center allows an authorized attacker to bypass a security feature over a network.
Weakness: CWE-863
Which versions are affected by CVE-2026-69640?
It affects 11 products.
Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows 11 26h2 and 5 more.
How do I fix CVE-2026-69640?
No fix has been published for CVE-2026-69640 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-69640 being exploited?
There is no known exploitation of CVE-2026-69640 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1607
- CVE-2026-33824 Microsoft Internet Key Exchange (IKE) Service Extensions Double Free
- CVE-2026-21510 Microsoft Windows Shell Protection Mechanism Failure
- CVE-2026-21513 Microsoft MSHTML Framework Protection Mechanism Failure
- CVE-2023-32049 Microsoft Windows Defender SmartScreen Security Feature Bypass
- CVE-2023-29360 Microsoft Streaming Service Untrusted Pointer Dereference
Sources
Also known as GHSA-9pmp-x6gg-j734.