
Barely two weeks after shipping an Internet Explorer security makeover to cover a wave of drive-by malware downloads, Microsoft is scrambling to address the public disclosure of <A HREF="http://www.eweek.com/article2/0,1895,1953833,00.asp?kc=ewnws042606dtx1k0000599">a new zero-day vulnerability</A> that could be used in code execution attacks. The Redmond, Wash. software maker confirmed it was investigating a warning posted on the Full-disclosure mailing list that the latest versions of IE causes various types of crashes when visiting Web pages with nested OBJECT tags. A spokesman for Microsoft said the initial investigation has revealed that the bug would most likely result in the browser closing unexpectedly or failing to respond.