@Bernd Leutenecker
Thanks for your posting on Q&A.
According to this link, we could not get the update from WSUS server. But we could get the update from Microsoft Update、Microsoft Download Center and Microsoft Update Catalog.
Please try to download and install the update from the Microsoft Download Center or Microsoft Update Catalog. Please keep us in touch if there are any udpates of the case.
Thanks for your understanding and cooperation.
Regards,
Rita
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