The vulnerability disclosed Monday affects Internet Explorer users whose computers run the Windows XP or Windows Server 2003 operating software.
It can allow hackers to remotely take control of victims' machines. The victims don't need to do anything to get infected except visit a Web site that's been hacked
Unsurprisingly, it involves Internet Explorer, although you don't have to run IE to be cracked.
There is a temporary fix that disables the hole on Microsoft's web site."
Bell Labs Unix -- Reach out and grep someone.