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MS11-081 Microsoft Internet Explorer Option Element Use-After-Free

This module exploits a vulnerability in Microsoft Internet Explorer. A memory corruption may occur when the Option cache isn't updated properly, which allows other JavaScript methods to access a deleted Option element, and results in code execution under the context of the user.

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Module Name



  • Ivan Fratric
  • juan vazquez <juan.vazquez [at]>
  • sinn3r <sinn3r [at]>



  • Automatic
  • IE 8 on Windows XP SP3
  • IE 8 on Windows Vista
  • IE 8 on Windows 7


  • windows



Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/windows/browser/ms11_081_option msf exploit(ms11_081_option) > show targets ...targets... msf exploit(ms11_081_option) > set TARGET <target-id> msf exploit(ms11_081_option) > show options and set options... msf exploit(ms11_081_option) > exploit

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