This indicates a possible attempt to exploit one of several buffer-overflow vulnerabilities in HP Virtual Rooms.
The vulnerabilities are in the "WebHPVCInstall.HPVirtualRooms14" ActiveX control in HPVirtualRooms14.dll. They result from the application's failure to bounds check user-supplied input, leading to various buffer overflows. As a result, a remote attacker may be able to execute arbitrary code and gain control of vulnerable systems.
HP Virtual Rooms hpvirtualrooms14.dll version 220.127.116.11
System Compromise: Remote code execution.
The vendor has released the advisory HPSBGN02310 SSRT080007 to address this issue: