SB2025101559 - Privilege escalation in Microsoft Confidential Azure Container Instances
Published: October 15, 2025
Security Bulletin ID
SB2025101559
CSH 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 vulnerability.
1) External Control of File Name or Path (CVE-ID: CVE-2025-59291)
CWE-ID: CWE-73 - External Control of File Name or Path
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to external control of file name or path in Confidential Azure Container Instances. A local administrator can run malicious code and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.