Microsoft Internet Explorer 10 and 11 allows remote attackers to read arbitrary local files via a crafted pathname, aka "Internet Explorer Information Disclosure Vulnerability."
http://www.securityfocus.com/bid/75687
http://www.securitytracker.com/id/1032894
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-065