MS10-002 Internet Explorer Security Update
Please apply this update expediently to better protect against malicious attacks and to fix 7 vulnerabilities in Internet Explorer. Users with automatic updates set to on, will be notified of this available update immediately (even though it is out-of-band with respect to the normal security updates offered on the 2nd Tuesday of the month, a.k.a., Patch Tuesday) So far, this is working well on IE8 at home and work.
Microsoft Security Bulletin MS10-002 - Critical
Cumulative Security Update for Internet Explorer (978207)
http://blogs.technet.com/msrc/archive/2010/01/21/bulletin-ms10-002-released.aspx
http://www.microsoft.com/technet/security/bulletin/ms10-002.mspx
QUOTE: This security update resolves seven privately reported vulnerabilities and one publicly disclosed vulnerability in Internet Explorer. The more severe vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. This security update is rated Critical for all supported releases of Internet Explorer