This DVD5 ISO image file from Microsoft contains the security updates for Windows released on Windows Update up to August 2016.

Please note that this does not contain security updates for other Microsoft products including Microsoft Office.

This DVD5 ISO image is intended for administrators that need to download multiple individual language versions of each security update in the case that they don't use Windows Update or Windows Server Update Services. It is also handy when Windows Update is broken or the computer you're working on is offline.

Be sure to check the individual security bulletins at http://technet.microsoft.com/en-us/security/bulletin prior to downloading these updates to make sure that it hasn't been refreshed with the latest updates, which are usually released every Tuesday.