Computerworld - https://www.computerworld.com/article/3267700/microsoft-windows/windows-patches-for-total-meltdown-bluescreens-an-ip-stopper-and-little-documentation.html#tk.rss_all
As many of us were getting ready for the holiday weekend, after the surprise announcement about Windows being torn into three pieces, Microsoft shoveled yet another load of patches out the Automatic Update chute. Think of it as the software equivalent of a Friday night news dump.
A destructive fix for Total Meltdown
KB 4100480 kicked off the two days from patching purgatory with a Windows 7/Server 2008R2 kernel update for CVE-2018-1038, the “Total Meltdown” bug Microsoft introduced in Win7 back in January. Total Meltdown, you may recall, is a huge security hole implemented by all of these Microsoft security patches: