Did Intel Fix Spectre and Meltdown?

In March 2018, Intel announced that they had developed hardware fixes for Meltdown and Spectre-V2 only, but not Spectre-V1. The vulnerabilities were mitigated by a new partitioning system that improves process and privilege-level separation.

Does CPU affect Meltdown and Spectre?

Yes, even if it's a Mac. Google says “effectively every” Intel processor released since 1995 is vulnerable to Meltdown, regardless of the OS you're running or whether you have a desktop or laptop. ... AMD processors aren't affected by the Meltdown bug. Chips from Intel, AMD, and ARM are susceptible to Spectre attacks.

Which Intel CPU is affected by Meltdown Spectre?

Even new Intel chips like the Core i7-8700K are affected by Meltdown and Spectre. Spectre affects AMD and ARM processors as well as Intel CPUs, which means mobile devices are also at risk.