A certain ActiveX control in HPTicketMgr.dll in HP Easy Printer Care Software 2.5 and earlier allows remote attackers to download an arbitrary program onto a client machine, and execute this program, via unspecified vectors, a different vulnerability than CVE-2011-4786 and CVE-2011-4787.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-2393
http://securityreason.com/securityalert/8348