The Windows Graphics Device Interface (GDI) in Microsoft Windows Server 2008 SP2 and R2 SP1 and Windows 7 SP1 allows an elevation of privilege vulnerability due to the way objects are handled in memory, aka "Windows GDI Elevation of Privilege Vulnerability". This CVE is unique from CVE-2018-0816, and CVE-2018-0817.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0815