Security Update for Windows (KB871250) - A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it. (Windows 2000 | 2003 Server | WinXP) Security Update for Windows (KB890175) - A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it. (Windows 2000 | 2003 Server | WinNT | WinXP) Security Update for Windows (KB891711) - A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it. (Windows 2000 | 2003 Server | WinNT | WinXP)