Microsoft Security Updates have been made available by Microsoft as ISO-9660 DVD5 image files. One can download over 10 years of Microsoft Security Updates in ISO-9660 DVD5 image files. These are obtained as per monthly basis, and contain security updates for Windows and not for any other Microsoft products.
Microsoft Security Updates
These ISO image are made available for corporate administrators who –
have to manage large multinational organizations
have to download multiple versions of individual language of each security update.
do not use an automated solution as Windows Server Update Service (WSUS).
So such administrators do not have to download multiple individual language versions by using the ISOs and now can download multiple updates in all languages at the same time.
One has to get the latest ISO image file from the Microsoft Download Center. Or if one wants can also obtain the past ISO image files, all listed here in this Support KB . The Download center has Security Releases ISO image right back from January 2006 and links of these ISO images are given for month by month.
An ISO-9660 image file is an exact representation of a CD or DVD that includes the content and the logical format. The most common use of an ISO image file is to record, or “burn,” the image file to a recordable CD or DVD. This operation creates a copy of the original disc that includes the file name and volume label information.
So those who are in such positions and need these Security updates can refer to the Support KB link given above.