Security Advisory

Microsoft Security Advisory 911302

Vulnerability in the way Internet Explorer Handles Mismatched Document Object Model Objects Could Allow Remote Code Execution.

Published: November 21, 2005 | Updated: December 13, 2005

Microsoft has completed the investigation into a public report of a vulnerability. We have issued a security bulletin to address this issue. For more information about this issue, including download links for an available security update, please review the security bulletin.



The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.


  • November 21, 2005: Advisory published
  • November 22, 2005: Updated the title, clarified affected software, and updated workaround “Set Internet and Local intranet security zone settings to ‘High’ to prompt before running Active Scripting in these zones”.
  • November 29, 2005: Added information regarding proof of concept code, malicious software, and reference to Windows Live Safety Center.
  • December 13, 2005: Advisory updated to reference released security bulletin.

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