The kernel-mode drivers in Microsoft Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability." This vulnerability is different from those described in CVE-2017-0024, CVE-2017-0026, CVE-2017-0056, CVE-2017-0078, CVE-2017-0079, CVE-2017-0080, CVE-2017-0082.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0081