Not "Microsoft Azure"
The vulnerabilities were found in Azure Stack, which is an on-premise environment that gives you some of the functionality and look and feel of the full-blown Azure cloud. As the Checkpoint article states, and as I know from experience, Azure Stack is somewhat behind Azure in terms of features and versions. For example, you can do nested VMs in Azure, but not on Azure Stack. (One example of many!)
Reg should really correct their headline, because unless the same vulnerabilities existed in full Azure, it is currently wrong.