This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects attempts to exploit out-of-bounds array indexing vulnerability in Microsoft Internet Explore.
An out-of-bounds array indexing vulnerability exists in Internet Explorer while accessing a dynamic array of attributes of a VML shape object. The vulnerability may corrupt memory in such a way that will allow arbitrary memory read/write leading to a crash or to execute arbitrary code in the context of the current user.
- Microsoft Internet Explorer 10