Joomla! 3.6.4 is now available. This is a security release for the 3.x series of Joomla! which addresses two critical security vulnerabilities and a bug fix for two-factor authentication. We strongly recommend that you update your sites immediately. This release only contains the security fixes and bug fix; no other changes have been made compared to the Joomla! 3.6.3 release. What's in 3.6.4 Version 3.6.4 is released to address two critical security issues and a bug regarding two-factor authentication. Security Issues Fixed High Priority - Core - Account Creation (affecting Joomla! 3.4.4 through 3.6.3) More information » High Priority - Core - Elevated Privileges (affecting Joomla! 3.4.4 through 3.6.3) More information » Bug Fixes [#12497] Two-Factor Authentication encryption fix Please see the documentation wiki for FAQ’s regarding the 3.6.4 release. Download New Installations: Download Joomla! 3.6.4 English (UK), 3.6.4 Full Package New installation instructions and technical requirements Upgrade Packages: Upgrade Packages Joomla! 3 upgrade packages Note: Please read the update instructions before updating. Please remember to clear your browser's cache and any webhost or CDN caching after updating.