The Graphics Device Interface (GDI) in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Windows GDI+ Information Disclosure Vulnerability." This vulnerability is different from those described in CVE-2017-0060 and CVE-2017-0062.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0073