Uniscribe 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, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allows remote attackers to execute arbitrary code via a crafted web site, aka "Windows Uniscribe Remote Code Execution Vulnerability."
https://www.exploit-db.com/exploits/41615/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-147