Windows Media Center in Microsoft Windows Vista SP2, Windows 7 SP1, Windows 8, and Windows 8.1 allows user-assisted remote attackers to execute arbitrary code via a crafted Media Center link (mcl) file, aka "Windows Media Center RCE Vulnerability."
https://www.exploit-db.com/exploits/38151/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-100