Security flaws affect Windows, Internet Explorer, others Feb. 8, 2005 SEATTLE - Microsoft Corp. released eight security fixes Tuesday that carry its highest threat rating and urged computer users to install them quickly because all the vulnerabilities they address could let attackers take complete control of systems. Seven of the security vulnerabilities Microsoft marked "critical" affect the Windows operating system and related software, including the Internet Explorer browser, media player and instant messaging program. The eighth is with the Redmond software maker's Office XP business software. The patches can be downloaded at....