The host is installed with Microsoft Windows Vista SP2, Server 2008 SP2, Windows 7 SP1, Server 2008 R2 SP1, Windows 8.1, Windows 10, Server 2012, Server 2016 or Server 2012 R2 and is prone to a remote code execution vulnerability. A flaw is present in the Windows Uniscribe, which fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could take control of the affected system.