Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allow an elevation of privilege vulnerability due to how objects in memory are handled, aka "Windows Kernel Elevation of Privilege Vulnerability".
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0842