cve-2025-55316

CVE-2025-55316 is a high-risk elevation-of-privilege vulnerability affecting Microsoft Azure Arc. The flaw involves a command-injection weakness that allows an authorized local user to inject special command elements during Azure Arc installation or configuration, thereby elevating privileges on the host. Discussions on WindowsForum highlight confusion around the CVE identifier, as public tracking and vendor advisories may list the Azure Arc item under a different CVE. Administrators are urged to confirm which Arc installations are affected, apply vendor patches, and harden local access to prevent post-compromise escalation. The tag covers patching guidance, vulnerability details, and security hardening for Azure Arc environments.