Who should read this document: Customers who are using Microsoft® Internet Explorer

Impact of vulnerability: Remote Code Execution

Maximum Severity Rating: Critical

Recommendation: Systems administrators should apply the security update immediately.

Security Update Replacement: This update replaces the one that is provided in Microsoft Security Bulletin MS03-048, which is itself a cumulative update.

Caveats: None

Tested Software and Security Update Download Locations:

Affected Software:

Microsoft Windows NT® Workstation 4.0 Service Pack 6a
Microsoft Windows NT Server 4.0 Service Pack 6a
Microsoft Windows NT Server 4.0 Terminal Server Edition, Service Pack 6
Microsoft Windows 2000 Service Pack 2, Service Pack 3, Service Pack 4
Microsoft Windows XP, Microsoft Windows XP Service Pack 1
Microsoft Windows XP 64-Bit Edition, Microsoft Windows XP 64-Bit Edition Service Pack 1
Microsoft Windows XP 64-Bit Edition Version 2003
Microsoft Windows Server® 2003
Microsoft Windows Server 2003, 64-Bit Edition