For all those who use Internet Explorer and who don’t have automatic updates:
Read this Security Bulletin
Impact: Six new vulnerabilities, the most serious of which could enable an attacker to execute commands on a user’s system.
Max Risk: Critical
This is a cumulative patch that includes the functionality of all previously released patches for IE 5.01, 5.5 and 6.0.Please read the Security Bulletin . And if you are lazy to read all that crap, here is the download patch location.