https://www.theregister.co.uk/2018/01/09/patch_tuesday/

Patch Tuesday In case you've been hiding under a rock for the entirety of this new year (and we don't blame you if you have) there are a handful of major security flaws that have been dominating the news, and feature prominently in this month's Patch Tuesday update load.

First, let's look at the latest developments in the Meltdown/Spectre saga: