The kernel API in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7; Windows 8; Windows 10 Gold, 1511, and 1607; Windows RT 8.1; Windows Server 2012 Gold and R2; and Windows Server 2016 does not properly enforce permissions, which allows local users to spoof processes, spoof inter-process communication, or cause a denial of service via a crafted application, aka "Windows Kernel Elevation of Privilege Vulnerability."