A remote code execution vulnerability exists when Windows Hyper-V Network Switch running on a Windows 10, Windows 8.1, Windows Server 2012 R2, or Windows Server 2016 host server fails to properly validate input from an authenticated user on a guest operating system, aka "Hyper-V Remote Code Execution Vulnerability." This CVE ID is unique from CVE-2017-0163, CVE-2017-0180, and CVE-2017-0181.