https://www.bleepingcomputer.com/news/microsoft/windows-10-kb4464330-kb4462919-and-kb4462918-cumulative-updates-released/

Microsoft has just released a new batch of cumulative updates for Windows 10 October 2018 Update (version 1809), Windows 10 April 2018 Update (version 1803) and Windows 10 Fall Creators Update (version 1709).

The latest patch for Windows 10 October 2018 Update advances the systems to Build 17763.55 and it's only available to those devices that have installed the October Update before it was pulled.