McAfee Total Protection prior to 16.0.50 may allow an adversary (with full administrative access) to modify a McAfee specific Component Object Model (COM) in the Windows Registry. This can result in the loading of a malicious payload.
https://www.mcafee.com/support/?articleId=TS103398&page=shell&shell=article-view
https://www.mcafee.com/en-us/consumer-corporate/mcafee-labs/product-security-bulletins.html