https://www.bleepingcomputer.com/news/security/microsoft-november-2018-patch-tuesday-fixes-12-critical-vulnerabilities/

Today is Microsoft's November 2018 Patch Tuesday, which means we get a ton of security updates to install for Windows and other Microsoft products. As these updates are commonly exploited by attackers, malware, and exploit kits, it is strongly advised that all users install these updates as soon as possible.

With the release of the the November security updates, Microsoft has fixed 64 vulnerabilities, with 12 of them being labeled as critical.