A Win32k information disclosure vulnerability exists in Windows 8.1, Windows RT 8.1, Windows Server 2012, Windows Server 2012 R2, Windows 10, and Windows Server 2016 when the win32k component improperly provides kernel information. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user's system, aka "Win32k Information Disclosure Vulnerability." This CVE ID is unique from CVE-2017-0189.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0188