Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an information disclosure due to the way it handles objects in memory, aka "Win32k Information Disclosure Vulnerability".
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8486