Severity Rating: Important Revision Note: V1.2 (July 13, 2016): Bulletin revised to correct the workarounds for CVE-2016-3213 and CVE-2016-3236. This is an informational change only. Customers who have successfully installed the updates do not need to take any further action. Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if the Web Proxy Auto Discovery (WPAD) protocol falls back to a vulnerable proxy discovery process on a target system.