Microsoft has released an ISO image with the May 2008 security updates

This DVD5 ISO image file contains the security updates for Windows released on Windows Update on May 13th, 2008.

This DVD5 image contains the following updates:

KB950749 / (MS08-028)

Windows 2000 - 24 languages
Windows Server 2003 - 18 languages
Windows Server 2003 x64 Edition - 11 languages
Windows Server 2003 for Itanium-based Systems - 4 languages
Windows XP - 24 languages
Windows XP x64 Edition - 2 languages

May 2008 Security Releases ISO Image