SB2026031103 - Privilege escalation in Microsoft ACI Confidential Containers
Published: March 11, 2026
Security Bulletin ID
SB2026031103
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissive Regular Expression (CVE-ID: CVE-2026-23651)
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.
Remediation
Install update from vendor's website.