How to Remediate CVE-2017-5754 and CVE-2017-5715 on windows server 2016 having intel processor?

Here are the recommend actions for your reference:

1. Microsoft suggest install the latest windows cumulative updates, the best protection is to keep computers up to date.

 June 11, 2024—KB5039214 (OS Build 14393.7070) - Microsoft Support

2. Also, as you are using intel, Intel microcode update are also required:

KB4093836: Summary of Intel Microcode Updates - Microsoft Support

3. You also need to check below article about registry information to enable mitigations that are not enabled by default:

KB4072698: Windows Server and Azure Stack HCI guidance to protect against silicon-based microarchitectural and speculative execution side-channel vulnerabilities - Microsoft Support