The Windows Audio service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to gain privileges via a crafted web site, as demonstrated by execution of web script in Internet Explorer, aka "Windows Audio Service Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-071
http://www.securitytracker.com/id/1031191