An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information Disclosure Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8394, CVE-2018-8398.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8396