Microsoft GDI Component in Windows 7 SP1 and Windows Server 2008 SP2 and R2 SP1 allows an attacker to log on to an affected system and run a specially crafted application to compromise the user's system, due improperly disclosing kernel memory addresses, aka "Windows GDI Information Disclosure Vulnerability".
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11852