An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory, aka "DirectX Elevation of Privilege Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019. This CVE ID is unique from CVE-2018-8485, CVE-2018-8561.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8554