CVE-2026-69771

Windows Container Manager Service Security Feature Bypass Vulnerability

State: Published
Severity: 4.7 Medium
Published: Sep 8, 2026
Updated: Oct 31, 2026
Reserved: Aug 3, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	4.7 Medium	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-59 Improper Link Resolution Before File Access ('Link Following')

Affected Products

Product	Versions
Windows 11 version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.7582Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.7582Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.9445Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.9445Affected
Windows 11 version 26H1Microsoft	10.0.28000.0 to before 10.0.28000.2954Affected

References

Windows Container Manager Service Security Feature Bypass Vulnerabilityvendor-advisorypatch

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