https://www.techradar.com/news/windows-10-gets-intels-patches-for-worrying-new-foreshadow-flaw > On the security front, Microsoft has pushed out a new batch of microcode updates for Windows 10 which mitigate against the Foreshadow vulnerability, along with additional Spectre variants. > As ZDNet spotted, the microcode patches, piped over from Intel, address the following flaws in the company’s processors: Spectre variant 3a (‘rogue system register read’) and variant 4 (‘speculative store bypass’), along with Foreshadow, a fresh vulnerability that came to light earlier this month, which hit the firm’s high-end Core and Xeon processors.