The host is installed with Microsoft Windows Vista SP2, Server 2008 SP2, Windows 7 SP1, Server 2008 R2 SP1, Windows 8, Server 2012, Windows 8.1 or Server 2012 R2 and is prone to an elevation of privilege vulnerability. A flaw is present in the application, which improperly allows certain registry interactions from within vulnerable sandboxed applications. An attacker who successfully exploited this vulnerability could improperly interact with the registry and attempt to escape the application sandbox.