You will see the document now updated to August 8. August updates also enable new protections by default.
Provides protections against a new speculative execution side-channel vulnerability known as L1 Terminal Fault (L1TF) that affects Intel® Core® processors and Intel® Xeon® processors (CVE-2018-3620 and CVE-2018-3646). Make sure previous OS protections against Spectre Variant 2 and Meltdown vulnerabilities are enabled using the registry settings outlined in the Windows Client and Windows Server guidance KB articles. (These registry settings are enabled by default for Windows Client OS editions, but disabled by default for Windows Server OS editions.)
https://support.microsoft.com/en-us/help…crocode-updates
Skylake, Kaby Lake, Coffee Lake microcodes for CVE-2018-3640/CVE-2018-3639/CVE-2018-3615/CVE-2018-3646 now available through Windows Update.