There is a DACL weakness that exists in the HP all-in-one products drivers, which can be exploited by malicious, local users to gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53541/AD20070108.txt
Source: https://packetstormsecurity.com/files/53541/AD20070108.txt.html