CVE-2026-69881 Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
An unauthorized attacker can cause a denial of service in Windows via a null pointer dereference in the IKE Extension.
- 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-2026-69881?
CVE-2026-69881 is a high-severity vulnerability in Microsoft Windows 10 1809, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.
Weakness: CWE-476
Which versions are affected by CVE-2026-69881?
It affects 10 products.
Products include Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2 and 4 more.
How do I fix CVE-2026-69881?
No fix has been published for CVE-2026-69881 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-69881 being exploited?
There is no known exploitation of CVE-2026-69881 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1809
- CVE-2024-29988 Microsoft SmartScreen Prompt Security Feature Bypass
- CVE-2024-21412 Microsoft Windows Internet Shortcut Files Security Feature Bypass
- CVE-2025-62221 Microsoft Windows Use After Free
- CVE-2025-30400 Microsoft Windows DWM Core Library Use-After-Free
- CVE-2024-21338 Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control
Sources
Also known as GHSA-mf7x-rcpw-8jpg.