Buffer overflow in Help and Support Center before 4.4 C on HP Windows systems allows remote attackers to read or write arbitrary files via unknown vectors.
http://www.vupen.com/english/advisories/2007/2164
http://www.securitytracker.com/id?1018272
http://www.securityfocus.com/bid/24459
http://www.securityfocus.com/archive/1/471864/100/0/threaded