News.com reports that on Tuesday, Microsoft released a “critical” Internet Explorer update that fixes 10 security holes, one of which is already being exploited by cyber attackers. 8 of the 10 vulnerabilities that are corrected with the update could be used to gain complete control over a Windows computer running vulnerable versions of the web browser. The update is rated as “critical” by Microsoft for those with IE 5 or IE 6. IE is also vulnerable on current versions of the Windows OS–Windows XP and Windows Server 2003, in addition to Windows 98 and Millennium Edition…