CISC and RISC are mostly an ISA concept.

Most chips are "microcoded", at least here and there. The term does not define a whole micro-architecture, esp in modern complex ones, but I'm not really sure how you would implement old school CISC chips without microcode concepts. The 8086 was microcoded: https://www.reenigne.org/blog/8086-microcode-disassembled/. It basically means that "you" program some low level internal details of a chip, e.g. the muxes connecting various buses to execution units. Most of the time the "you" is only the chip designers, and it is stored mostly in a ROM. Sometimes microcoding is accessible by actual software programmers, but it is quite rare.

And modern u-ops are not necessarily like what was done at the time of old-school microcode.

Micro ops?

That's two completely different things. Every x86 instruction is decomposed into one or several micro-ops that are executed. Hardly any x86 instructions are microcoded, which means that the decoder has to start streaming micro-ops from the microcode ROM.