Zscaler, working with Microsoft through their MAPPs program, has proactively deployed protections for the following vulnerability included in the April 26, 2014 Microsoft Security Advisory. Zscaler will continue to monitor exploits associated with this vulnerability and release and deploy additional protections as necessary.
MSA-2963983 – Vulnerability in Internet Explorer may lead to Remote Code Execution
Severity: Critical Affected Software
CVE-2014-1776 – Remote Code Execution Vulnerability
Description: The vulnerability is a remote code execution vulnerability. The vulnerability exists in the way that Internet Explorer accesses an object in memory that has been deleted or has not been properly allocated. This may corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user within Internet Explorer. An attacker could host a specially crafted website that is designed to exploit this vulnerability.