Intel Issues New CPU Microcode Going Back To Gen8 For New, Undisclosed Security Updates - Phoronix

Well, this is a bit strange..

Update: Mysterious Intel patch released for almost every modern CPU

Demystifying CPU Microcode: Vulnerabilities, Updates, and Remediation - Eclypsium

New Downfall attacks on Intel CPUs steal encryption keys, data

Linux - Reddit – Telegram

Intel Issues New CPU Microcode Going Back To Gen8 For New, Undisclosed Security Updates - Phoronix

Intel says its mystery microcode update isn't security fix • The Register

Intel Deploys Undisclosed Microcode Security Update For CPUs Going Back To Coffee Lake

Windows 10 Intel microcode released to fix new CPU security bugs

Intel launches 18 9th-gen desktop Core chips, the majority without hyperthreading