An improper input validation on library load was found in Microsoft .NET. By exploiting this vulnerability malicious users can execute arbitrary code. This vulnerability can be exploited locally via a specially designed application.

Technical details

To exploit this vulnerability, a malicious user needs to have an access to the local system with the ability to execute malicious applications.

Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4.5.2
Microsoft .NET Framework 4.6
Microsoft .NET Framework 4.6.1
Microsoft .NET Framework 4.6.2
Microsoft .NET Framework 4.7

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

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4015219
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The following public exploits exists for this vulnerability:

https://www.exploit-db.com/exploits/41903

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.