CSP recommendation:
For Windows 10, version 2004 and above and Windows 11 leverage the policies:
https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Freview.docs.microsoft.com%2Fen-us%2Fwindows%2Fclient-management%2Fmdm%2Fpolicy-csp-update%3Fbranch%3Dpr-en-us-6017%23update-setpolicydrivenupdatesourcefordriverupdates&data=04%7C01%7CArianna.Carley%40microsoft.com%7C2023f93d77e24cd0870f08d9ba9e70a5%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637746011947300408%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=oPw9YdBldsmOF0cByaJg6ARD9ey0%2BWpRCWk08cgF8bg%3D&reserved=0;
https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Freview.docs.microsoft.com%2Fen-us%2Fwindows%2Fclient-management%2Fmdm%2Fpolicy-csp-update%3Fbranch%3Dpr-en-us-6017%23update-setpolicydrivenupdatesourceforfeatureupdates&data=04%7C01%7CArianna.Carley%40microsoft.com%7C2023f93d77e24cd0870f08d9ba9e70a5%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637746011947300408%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=3GjMwAL3ozv91sFQp%2FmuIe4%2BMaGWvjLKJft4RA%2FnLfw%3D&reserved=0;
https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Freview.docs.microsoft.com%2Fen-us%2Fwindows%2Fclient-management%2Fmdm%2Fpolicy-csp-update%3Fbranch%3Dpr-en-us-6017%23update-setpolicydrivenupdatesourceforotherupdates&data=04%7C01%7CArianna.Carley%40microsoft.com%7C2023f93d77e24cd0870f08d9ba9e70a5%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637746011947300408%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=xHi1xsjG8goMP5ugwXkXcl6v0rjyqvFha%2F5rNBvhRqA%3D&reserved=0;
https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Freview.docs.microsoft.com%2Fen-us%2Fwindows%2Fclient-management%2Fmdm%2Fpolicy-csp-update%3Fbranch%3Dpr-en-us-6017%23update-setpolicydrivenupdatesourceforqualityupdates&data=04%7C01%7CArianna.Carley%40microsoft.com%7C2023f93d77e24cd0870f08d9ba9e70a5%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637746011947300408%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=6%2BU0%2FlQDK6c7apLKdnsw1ztg43%2Fu7E21lcFL4GIIcdc%3D&reserved=0
To configure whether updates come from Windows Update or Windows Server Update Services (WSUS).
Supported on: At least Windows Server 2016, Windows 10 Version 2106 (21H2)
(Sources ADMX.Help , need a cross-check maybe)