This indicates an attack attempt against information disclosure and remote code execution vulnerabilities of HPeDiag ActiveX control located in hpediag.dll.
A remote attacker may be able to access arbitrary files or registry keys, and possibly execute code on a vulnerable system.
HP hpediag.dll, version 4.000.009.002
System Compromise: Remote attackers can gain control of vulnerable systems.
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Update to version 4.000.010.008 using the HP Update Software.