About Virtualization reports a very interesting scoop: second generation VMware ESX Server and VirtualCenter have been submitted to Common Criteria on 28th December 2004 for EAL 2 conformance certification unde the Operating Systems category.
I’m not able to find the related Protection Profile to further comment.
The certification has still to be granted at today.
Update: The EAL2 certification has been granted on March 27th, 2006.
You can check Security Target, Validation Report and Common Criteria Certificate here.