The GUI functionality for an interactive session in Symantec LiveUpdate 1.70.x through 1.90.x, as used in Norton Internet Security 2001 through 2004, SystemWorks 2001 through 2004, and AntiVirus and Norton AntiVirus Pro 2001 through 2004, AntiVirus for Handhelds v3.0, allows local users to gain SYSTEM privileges.
http://www.secnetops.biz/research/SRT2004-01-09-1022.txt
http://marc.info/?l=bugtraq&m=107393473928245&w=2
http://lists.grok.org.uk/pipermail/full-disclosure/2004-January/015510.html