, SecurityFocus 2006-03-28
UPDATE: Hundreds of malicious Web sites are attempting to exploit the most critical of two flaws announced last week in Microsoft's browser, convincing two companies to release workarounds late Monday to head off the threat.

Anonymous
if everyone knows about the bug except the vendor then it is a known threat not 0day.
a more proper definition would be: a 0day threat is a threat about which there is no public information available....
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