Improper Authentication in Azure Automation Hybrid Worker Windows Extension - CVE-2026-26141
Published: March 10, 2026
Vulnerability identifier: #VU123713
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2026-26141
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in Hybrid Worker Extension (Arc‑enabled Windows VMs). A local user can bypass authentication process and gain elevated privileges on the system.
Affected software
Azure Automation Hybrid Worker Windows Extension
How to mitigate CVE-2026-26141
Install updates from vendor's website.
Azure Automation Hybrid Worker Windows Extension - update to 1.3.74