Download Security Update for Microsoft XML Core Services 4.0 Service Pack 3 for x64-based Systems (KB2721691) from Official Microsoft Download Center

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Security Update for Microsoft XML Core Services 4.0 Service Pack 3 for x64-based Systems (KB2721691)

A security issue has been identified in Microsoft XML Core Services (MSXML) that could allow an attacker to compromise your Windows-based system and gain control over it.