A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of various Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists in the substringData() method when called on a DOM object that has been manipulated in a special way. The attack results in an exploitable heap buffer allowing for code execution under the context of the current user.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/67172/ZDI-08-039.txt
Source: https://packetstormsecurity.com/files/67172/Zero-Day-Initiative-Advisory-08-039.html