About this release This document contains important information about the current release. We recommend that you read the whole document. CAUTION: We do not support the automatic upgrade of a pre-release software version. To upgrade to a production release of the software, you must first uninstall the existing version. Release date November 13, 2017 Release build Endpoint Security 10.5.3.3152.7 Endpoint Security Common 10.5.3.3178.1 — extension 10.5.3.3063.1 Endpoint Security Threat Prevention 10.5.3.3264.1 — extension 10.5.3.3098.1 Endpoint Security Firewall 10.5.3.3108.1 — extension 10.5.3.3045.1 Endpoint Security Web Control 10.5.3.3087.4 — extension 10.5.3.3044.1 Endpoint Security Adaptive Threat Protection 10.5.3.3113.4 — extension 10.5.3.3044.1 Endpoint Security Migration Assistant — extension 10.5.3.3040 Endpoint Security Package Designer 10.5.3.3023.1 This release was developed for use with: McAfee® Endpoint Security 10.5.x McAfee® ePolicy Orchestrator® (McAfee® ePO™) 5.1.1 and later Important notes about this release Endpoint Security 10.5.3 lists these products and versions in the Master Repository on the McAfee ePO server. Product Version Minor version Endpoint Security Common Patch 10.5.0 3 Endpoint Security Common 10.5.0 3178.1 Endpoint Security Threat Prevention Patch 10.5.0 3 Endpoint Security Threat Prevention 10.5.0 3264.1 Endpoint Security Firewall Patch 10.5.0 3 Endpoint Security Firewall 10.5.0 3108.1 Endpoint Security Web Control Patch 10.5.0 3 Endpoint Security Web Control 10.5.0 3087.4 Endpoint Security Adaptive Threat Protection 10.5.0 3113.4 Endpoint Security 10.5.3 lists these products and versions in the About dialog box of McAfee Agent and Endpoint Security, and McAfee ePO product properties. Product Version Endpoint Security Common 10.5.3.3178.1 Endpoint Security Threat Prevention 10.5.3.3264.1 Endpoint Security Firewall 10.5.3.3108.1 Endpoint Security Web Control 10.5.3.3087.4 Endpoint Security Adaptive Threat Protection 10.5.3.3113.4 Purpose This release of McAfee Endpoint Security contains improvements and fixes, including: Microsoft Windows 10 Fall Creators Update support Installation improvements Increased stability Network Intrusion Prevention (Network IPS) technology and Exploit Prevention Expert Rules, which expand intrusion prevention functionality We recommend that you verify this update in test and pilot groups before mass deployment. Rating — Critical Mandatory Critical High Priority Recommended Critical for all environments. Failure to apply a Critical update might result in severe business impact. A hotfix for a Severity 1 or Severity 2 issue is considered Critical. For more information, see KB51560.