The attack, that was already spotted in the wild, enables remote code execution (RCE) on the targeted machine. By exploiting this vulnerability cybercriminals are inserting a data-stealing Trojan to the victim's machine .
For more information about this zero-day attack and a snapshot of the actual code visit Finjan's blog at:
http://www.finjan.com/MCRCblog.aspx?EntryId=2300
Microsoft has just released an Advisory about this vulnerability: http://www.microsoft.com/technet/security/advisory/972890.mspx
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