This indicates an attack attempt to exploit a memory-corruption vulnerability
in Microsoft Internet Explorer.
The vulnerability is located in "mshtml.dll" and is caused by a use-after-free error. It may allow remote attackers to execute arbitrary code via a specially crafted web page containing circular memory references.
Microsoft Internet Explorer 8.0.7600.16385
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently we are not aware of any patches supplied by the vendor for this issue.