Microsoft Internet Explorer 6 allows remote attackers to cause a denial of service (crash) by accessing the object references of a FolderItem ActiveX object, which triggers a null dereference in the security check.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/27760http://www.osvdb.org/27059http://browserfun.blogspot.com/2006/07/mobb-15-folderitem-access.htmlhttp://www.vupen.com/english/advisories/2006/2814