Hyper-V in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2; Windows 7 SP1; Windows 8.1, Windows Server 2012 Gold and R2; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows guest OS users to obtain sensitive information from host OS memory via a crafted application, aka "Hyper-V Information Disclosure Vulnerability."