Microsoft releases the patches for Windows Server 2016 every month to updates the servers.
From here you can download and install the latest patches on server.

2024-06 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5039214)
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5039214%20

2024-07 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5040434)
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5040434

2024-08 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5041773)
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5041773

2024-09 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5043051)
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5043051

2024-10 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5044293)
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5044293

2024-11 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5046612)
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5046612

2024-12 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5048671)
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5048671