Excel zero day in the wild

There has been a report of a targeted attack leveraging a previously 
unknown vulnerability in Microsoft Excel. The vulnerability is triggered 
when a user opens a malicious xls file. Further information regarding this 
incident is available from the following sources.

Microsoft Excel Unspecified Remote Code Execution Vulnerability
http://www.securityfocus.com/bid/18422

Trojan.Mdropper.J
http://securityresponse.symantec.com/avcenter/venc/data/trojan.mdropper.j.html

Downloader.Booli.A
http://securityresponse.symantec.com/avcenter/venc/data/downloader.booli.a.html

Reports of a new vulnerability in Microsoft Excel
http://blogs.technet.com/msrc/archive/2006/06/16/436174.aspx

-Josh


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