[Update: The December update is now available for the Galaxy S9 and S9+. The build number is G960USQS3BRK2/G965USQS3BRK2.]
Verizon is pushing a new update for SamsungGalaxy Note 8 that brings December 2018 security patch and providing fixes to 40 Samsung Vulnerabilities and Exposures (SVE) items.
The Galaxy Note 8 is receiving this update as build version N950USQS5CRK1.
If you want to check this update manually, head into Settings > Software update > Download updates manually or you can simply wait till the update automatically appears on your phone.