An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system aka \Windows Hyper-V Information Disclosure Vulnerability.\ This affects Windows 7 Windows Server 2012 R2 Windows RT 8.1 Windows Server 2008 Windows Server 2012 Windows 8.1 Windows Server 2016 Windows Server 2008 R2 Windows 10 Windows 10 Servers.