This vulnerability allows remote attackers to disclose memory contents on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The vulnerability relates to how Internet Explorer handles changes to attributes of DOM elements. By manipulating a document's elements an attacker can cause a string allocation in memory to be reused after it has been freed. An attacker can leverage this vulnerability to disclose memory contents.