Permissive Regular Expression in Microsoft ACI Confidential Containers - CVE-2026-23651
Published: March 11, 2026
Vulnerability identifier: #VU123786
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23651
CWE-ID: CWE-625
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft ACI Confidential Containers
Microsoft ACI Confidential Containers
Detailed vulnerability description
The vulnerability allows a local administrator to escalate privileges on the system.
The vulnerability exists due to permissive regular expression in Microsoft ACI Confidential Containers, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2026-23651
Install updates from vendor's website.