The Microsoft Server Block Message (SMB) on Microsoft Windows Server 2008 SP2 and R2 SP1 Windows 7 SP1 Windows 8.1 Windows Server 2012 Gold and R2 Windows RT 8.1 Windows 10 Gold 1511 1607 and 1703 and Windows Server 2016 allows an information disclosure vulnerability in the way that it handles certain requests aka \Windows SMB Information Disclosure Vulnerability\.