https://www.bleepingcomputer.com/news/microsoft/microsoft-released-the-windows-7-and-81-kb4343901-and-kb4343898-cumulative-updates/

It has been a huge day for updates. First we had Adobe security updates and then we had a huge Patch Tuesday that fixes over 60 security flaws and 2 zero day vulnerabilities. For Windows 10, we have the KB4343909 and KB4343897 cumulative updates, and for this article we will discuss the cumulative updates for Windows 7, Windows 8.1, and Windows Server 2008.

Below we have outlined what each update fixes and if there are any known issues and workarounds.