There is an update pack maintained and updated each month that is able to update live installs and wim (integration).
It's called Simplix Update Pack.
You will find an English thread on mdl with download links: https://forums.mydigitallife.info/threa ... stribution
If you prefer to integrate each KB yourself with DISM (or with WinToolkit or NTLite), you can find an up to date and updated each month update list here: http://www.wincert.net/forum/index.php? ... -de-es-it/ (that's what I use).
If you have any questions, feel free to ask.
Windows 7 Update Pack discussion.
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