Summary
Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.
Details
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to invest time in repeated exploitation attempts by swapping virtual hard disks.
According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?
Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.
What kind of security feature could be bypassed by successfully exploiting this vulnerability?
Successful exploitation could bypass access restrictions that prevent low-privileged users from mapping protected virtual hard disks into containers. This could make protected storage available inside a container controlled by the attacker.
Security updates
10.0.26200.9445 — https://support.microsoft.com/help/5124008
10.0.22631.7582 — https://support.microsoft.com/help/5122880
10.0.28000.2954 — https://support.microsoft.com/help/5124012
Vulnerabilities 1
-
Medium 4.7
Windows Container Manager Service Security Feature Bypass Vulnerability
Improper link resolution before file access ('link following') in Windows Container Manager Service allows an authorized attacker to bypass a security feature locally.
Revision history
-
#1
Information published.
References
-
CVE-2026-69771 Windows Container Manager Service Security Feature Bypass Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69771
-
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
-
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
-
Common Vulnerability Scoring System
https://www.first.org/cvss