Hi @arnaud T,
This update doesn't display in WSUS and SCCM. However, Microsoft Update Catalog can get the update.
You can manually import the update to SCCM and WSUS by following this article:
manually-import-updates-into-wsus-and-sccm
And we do not recommend downloading the preview update, this update has some known issues and Microsoft is providing a solution.
november-29-2022-kb5020044-os-build-22621-900-preview-43f0bdf9-0b75-4110-bab3-3bd2433d84b3
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