Download .NET Framework 1.0 Service Pack 3 SYSTEM.WEB.DLL and MSCOREE.DLL Security Update for Windows 2000, Windows Server 2003, Windows XP (excluding Media Center Edition and Tablet PC Edition), and Windows Vista from Official Microsoft Download Center

.NET Framework 1.0 Service Pack 3 SYSTEM.WEB.DLL and MSCOREE.DLL Security Update for Windows 2000, Windows Server 2003, Windows XP (excluding Media Center Edition and Tablet PC Edition), and Windows Vista

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A security issue has been identified that could allow an attacker to compromise your Windows-based system running the Microsoft .NET Framework 1.0.