An information disclosure vulnerability exists when DirectX improperly handles objects in memory, aka "DirectX Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows 8.1, Windows Server 2008 R2.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8563