Microsoft beat us to it, however AJ Tek had been working on a FREE solution since the middle of July that is more powerful and doing what YOUR FEEDBACK is asking for. It has MORE FEATURES like pulling by KB number, automatically downloading, limiting only the specific architecture, etc.
https://www.powershellgallery.com/packages/Import-WsusUpdate/
Some examples include:
Import-WsusUpdate "0373ad3c-3f8f-4123-81f8-6d3d8cd86f6d"
Import-WsusUpdate -KB "KB5026454"
Import-WsusUpdate -KB "KB5026454" -MetadataOnly
Import-WsusUpdate -KB "KB5029244" -MetadataOnly -x64 -Filter "21H2","-Dynamic"
Import-WsusUpdate "0373ad3c-3f8f-4123-81f8-6d3d8cd86f6d" -DownloadPath "C:\MUCatalogUpdateFiles" -DownloadInParallel
In order to install it, you will need to ensure you are using the latest PowerShellGet module. From an elevated PowerShell prompt (Run as Administrator):
Install-Module PowerShellGet -Force -AllowClobber
Close the PowerShell window and re-open an elevated PowerShell prompt (Run as Administrator).
Install-Module -Name Import-WsusUpdate