Critical Bulletins:- Vulnerabilities in TCP/IP Could Allow Remote Code Execution and Denial of Service (893066) - Cumulative Security Update for Internet Explorer (890923) - Vulnerability in Exchange Server Could Allow Remote Code Execution(894549)- Vulnerability in MSN Messenger Could Lead to Remote Code Execution (896597)- Vulnerabilities in Microsoft Word May Lead to Remote Code Execution (890169) Important Bulletins: - Vulnerability in Windows Shell that Could Allow Remote Code Execution (893086) - Vulnerability in Message Queuing Could Allow Code Execution (892944) - Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege and Denial of Service (890859)