Windows Patches available for Meltdown and Spectre vulnerabilities.
On Jan 3 Microsoft released updates addressing these vulnerabilities for the following operating systems with more to come:
Windows 10
Windows Server 2008 R2
Windows Server 2012 R2
Windows Server 2016
Windows Server Core
We are not recommending you install these during business hours or without Technical assistance as there are reports of systems failing to boot patch as of today