Microsoft Internet Explorer 'Style' Object Remote Code Execution Vulnerability
A poof of concept ('37085-2.html') and exploit ('37085.html') are available.
UPDATE: Symantec has verified that the available exploit is functional but not very reliable. However, the exploit code could be modified to be more reliable.
A working commercial exploit is available through VUPEN Security - Exploit and PoCs Service. This exploit is not otherwise publicly available or known to be circulating in the wild.
A Metasploit framework exploit module ('37085.rb') is available.