Windows Media Center in Microsoft Windows Vista SP2, Windows 7 SP1, Windows 8, and Windows 8.1 allows remote attackers to execute arbitrary code via a crafted .mcl file, aka "Media Center Library Parsing RCE Vulnerability."
https://www.exploit-db.com/exploits/38911/
https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-6074
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-134