Microsoft OneNote 2007 SP3 allows remote attackers to execute arbitrary code via a crafted OneNote file that triggers creation of an executable file in a startup folder, aka "OneNote Remote Code Execution Vulnerability."
http://www.securitytracker.com/id/1030717
http://www.securityfocus.com/bid/69098
http://packetstormsecurity.com/files/164419/Microsoft-Office-OneNote-2007-Remote-Code-Execution.html