[steffanA]

Very common to get access to the Azure/Local AD in ransomware attacks.

That Bing CMS bug was only exploited by the researchers who disclosed it to MS.

[JohnMakin]

I'm not saying it's literally the same attack, but the author of that Bing CMS bug identified the cause (misconfigured multi tenancy) and said up to 25% of Azure apps they scanned had this same vulnerability.