A serious vulnerability in the Xamarin.iOS can be exploited locally to gain privileges.

Technical details

To exploit this vulnerability, an attacker would have to log on to an affected system and create a folder at a particular location. which could be used by another process running with elevated privileges.

Only systems running macOS are affected by this vulnerability.

Xamarin.iOS

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

CVE-2017-8665

4037359

The following public exploits exists for this vulnerability:

https://www.exploit-db.com/exploits/42454