An elevation of privilege vulnerability exists in the way that the Microsoft RemoteFX Virtual GPU miniport driver handles objects in memory, aka "Microsoft RemoteFX Virtual GPU miniport driver Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 8.1, Windows 7, Windows Server 2019.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8471