CVE-2026-69793 Windows TCP/IP Security Feature Bypass Vulnerability

High 7.5 Published Updated

An unauthorized attacker can bypass a security feature in the Windows TCP/IP stack over a network due to improper input validation.

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-2026-69793?

CVE-2026-69793 is a high-severity vulnerability in Microsoft Windows 10 1607, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper validation of consistency within input in Windows TCP/IP allows an unauthorized attacker to bypass a security feature over a network.

Weakness: CWE-1288

Which versions are affected by CVE-2026-69793?

It affects 13 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 and 7 more.

How do I fix CVE-2026-69793?

No fix has been published for CVE-2026-69793 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-69793 being exploited?

There is no known exploitation of CVE-2026-69793 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-5pcm-f9x8-mpvj.

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