CVE-2026-69771 Windows Container Manager Service Security Feature Bypass Vulnerability

Medium 4.7 Published 8 Sep 2026 Updated 14 Oct 2026

An authorized local attacker can bypass security features in the Windows Container Manager Service via improper link resolution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-69771?

CVE-2026-69771 is a medium-severity vulnerability in Microsoft Windows 11 23h2, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper link resolution before file access ('link following') in Windows Container Manager Service allows an authorized attacker to bypass a security feature locally.

Weakness: CWE-59

Which versions are affected by CVE-2026-69771?

It affects 4 products.

Products include Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1.

How do I fix CVE-2026-69771?

No fix has been published for CVE-2026-69771 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-69771 being exploited?

There is no known exploitation of CVE-2026-69771 in the wild and no public exploit code.

All Microsoft Windows 11 23h2 vulnerabilities

Sources

Also known as GHSA-qjfr-h47v-47c8.