>> The CLOUD Act primarily...
As far as I understand (IANAL) the CLOUD Act has not been used as basis of decision at least for Schrems II. The primary issues court found were regarding surveillance programs authorized under Section 702 of the FISA & executive order 12333.
Full Schrems II judgement is available at https://curia.europa.eu/juris/document/document.jsf?text=&do...