A new cumulative security update (MS05-038) for Internet Explorer was released this week. This updates covers three separate vulnerabilities in the web browser, and affects all versions of the Windows operating system. If not patched, visiting a malicious web page could result in remote code execution. All Windows users should update their systems as soon as possible.

More information on the update, and the vulnerabilities, can be found at Microsoft's website:

http://www.microsoft.com/technet/security/Bulletin/MS05-038.mspx