Intel recently announced an escalation of privilege vulnerability in the Intel® Active Management Technology (AMT), Intel® Standard Manageability (ISM), and Intel® Small Business Technology firmware, versions 6 through 11.6. This vulnerability has the potential of being a proverbial big one.

https://www.tenable.com/blog/intel-amt-vulnerability-detection-with-nessus-and-pvs-intel-sa-00075