Microsoft released Security Bulletin MS10-002 out-of-band to address vulnerabilities in Internet Explorer. All Windows users should apply this critical update as soon as possible. Once applied, customers are protected against the known attacks that have been widely publicized this month. Please note that systems joined to the LSU Active Directory automatically receive the critical update when available.
Remember to close all applications at the end of work day today, as this security update may require a restart of your machine.
Additional Information / Tools:
Microsoft Security Bulletin MS10-002 - http://www.microsoft.com/technet/security/bulletin/ms10-002.mspx
US-CERT Technical Alerts - http://www.us-cert.gov/cas/techalerts/
Microsoft Baseline Security Analyzer - http://www.microsoft.com/technet/security/tools/mbsa2_1/default.mspx