Zero day in IE 6,7, 8 again. Saw it at http://packetstormsecurity.org/filedesc/ieatm4v.c.html. It is an exploit for m4v file parsing.
m4v is an iTune Video file extension. See http://www.fileinfo.net/extension/m4v for more detail.
m4v is an iTune Video file extension. See http://www.fileinfo.net/extension/m4v for more detail.