CVE-2017-8665
The Xamarin.iOS update component on systems running macOS allows an attacker to run arbitrary code as root, aka "Xamarin.iOS Elevation Of Privilege Vulnerability."
Date published : 2017-08-15
http://www.securityfocus.com/bid/100308
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8665