The Windows Hyper-V component on Microsoft Windows 8.1, Windows Server 2012 Gold and R2,, Windows 10 1607, and Windows Server 2016 allows a remote code execution vulnerability when it fails to properly validate input from an authenticated user on a guest operating system, aka "Remote Desktop Virtual Host Remote Code Execution Vulnerability".
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8714