Multiple Elevation of Privilege Vulnerabilities in Azure Arc and Linux VMs

Three critical elevation of privilege vulnerabilities have been identified in Azure services, affecting both Windows and Linux virtual machines. CVE-2026-26141 and CVE-2026-26117 involve improper authentication and authentication bypass in Azure Arc-enabled Windows VMs, while CVE-2026-23665 pertains to a heap-based buffer overflow in Azure Linux VMs, all allowing authorized attackers to elevate privileges locally.