Important security update (reboot req.) for Windows 10.

Multiple threads: Time to patch your windows boxes. I’m watching the debate on whether or not this is urgent. If you have something worth protecting, allowing a flaw that subverts the trust system in Microsoft Windows is seriously, seriously bad. Patch.https://t.co/AGeVqIRtVd pic.twitter.com/d41qmgAqn1

— Rob Joyce (@RGB_Lights) January 14, 2020

CVE-2020-0601 is a serious vulnerability, because it can be exploited to undermine Public Key Infrastructure (PKI) trust.