arc security

The arc security tag covers discussions about security vulnerabilities and patch management for Microsoft Azure Arc, particularly focusing on the Hybrid Worker Extension used on Windows VMs. Recent content highlights CVE-2026-26141, an Elevation-of-Privilege defect in the Arc Hybrid Worker Extension that requires urgent inventory, patching, and threat hunting. Administrators are advised to prioritize this vulnerability due to limited public technical details from Microsoft. The tag is relevant for IT professionals managing Arc-enabled Windows virtual machines and needing to stay updated on security advisories and remediation steps.