An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves CFPreferences in the "System Preferences" component. It allows attackers to bypass intended access restrictions by leveraging incorrect configuration-profile persistence.
https://support.apple.com/HT208698
https://support.apple.com/HT208696
https://support.apple.com/HT208693
https://support.apple.com/HT208692