Microsoft warns of 3 "critical" flaws Tue 13 April, 2004 21:36 By Reed Stevenson SEATTLE (Reuters) - Microsoft has warned that three "critical"-rated flaws in the Windows operating system and other programs could allow hackers to sneak into personal computers and snoop on sensitive data. The security warning was announced with another software vulnerability rated "important" as part of Microsoft's monthly security bulletin. The warning was issued with a software patch that fixes the problem on Windows operating systems dating back to Windows 98, as well as software that is part of Internet Explorer and the Outlook express e-mail program....