Microsoft Patch Tuesday includes updates for all supported Operating Systems, Internet Explorers, and Offices:
Microsoft Security Bulletin Summary for May 2014
Adobe gets in on the Patch Tuesday action too:
APSB14-15 Security Updates available for Adobe Reader and Acrobat
APSB14-14 Security Updates available for Adobe Flash Player
Download Adobe Flash Player
Download Adobe Reader or update from within the program (Help > Check for updates).
Google won’t be left out:
The Stable Channel has been updated to 34.0.1847.137 for Windows, Mac and Linux.
Download or update from within the program.