SB20260310117 - Privilege escalation in Microsoft Arc Enabled Servers - Azure Connected Machine Agent
Published: March 10, 2026
Security Bulletin ID
SB20260310117
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) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2026-26117)
CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to the authentication bypass using an alternate path or channel in Arc Enabled Servers - Azure Connected Machine Agent. A local user can gain elevated privileges on the target system.
Remediation
Install update from vendor's website.