A new Internet Explorer (IE) exploit is being used to compromise
Windows systems. At this time, the only preventative option available
is to use a browser other than IE such as Firefox, Opera, or Safari.
Microsoft has announced it will release an out-of-cycle patch for this
bug tomorrow, December 17. System and Network Security strongly
encourages everyone who uses IE to be sure to apply this patch as soon
as it becomes available.

This article is reposted from IST. The original article is available at
http://inews.berkeley.edu/articles/Spring2009/IE-0day