Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2; Windows 7 SP1; Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 let attackers with access to targets systems gain privileges when Windows fails to properly validate buffer lengths, aka "Windows Elevation of Privilege Vulnerability."