gHacks posted KB4012218, KB4012219: Windows Update processor generation detection
A quote from the article:
The March 2017 preview updates for Windows 7 and Windows 8.1 introduce Windows Update processor generation and hardware support detection. Microsoft published KB4012218 for Windows 7 and Windows Server 2008 R2, and KB4012219 for Windows 8.1 and Windows Server 2012 and 2012 R2 yesterday evening.KB4012218, KB4012219: Windows Update processor generation detection @ gHacks