port 8172

Port 8172 is the default port used by Microsoft Web Deploy (MSDeploy), a tool for deploying web applications to IIS servers. The Web Deployment Handler, also known as WMSvc, typically listens on this port at the URL https://:8172/MSDeploy.axd. Discussions on WindowsForum.com highlight a critical deserialization vulnerability, CVE-2025-53772, affecting this endpoint. An authenticated user who can reach port 8172 may exploit this flaw to achieve remote code execution on the target server. Administrators are advised to apply Microsoft's security update immediately or restrict network access to port 8172 if patching is not possible. This tag covers security advisories, patching guidance, and configuration best practices for securing the Web Deploy service on Windows servers.