MS10-016: Vulnerability in Windows Movie Maker could allow remote code execution

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Security Update for Movie Maker 2.6 for Windows Vista for x64-based Systems (KB981997)

A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this update, you may have to restart your system...