Download Security Update for Microsoft .NET Framework 3.0 Service Pack 2 on Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2 from Official Microsoft Download Center

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Security Update for Microsoft .NET Framework 3.0 Service Pack 2 on Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2

A security issue has been identified that could allow an attacker to break or bypass a security feature in the affected software.