virus logo Endpoint Vulnerability

Microsoft .NET Framework CVE-2020-0646 Remote Code Execution Injection Vulnerability

description-logoDescription

A remote code execution vulnerability in Microsoft .NET Framework caused by improper input validation allows attackers to take full control of affected systems; it impacts all .NET Framework versions on Windows.

affected-products-logoAffected Applications

Microsoft .NET Framework 3.5 AND 4.8 on Windows Server version 1909 (Server Core installation)
Microsoft .NET Framework 4.5.2 on Windows RT 8.1
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server version 1903 (Server Core installation)
Microsoft .NET Framework 4.8 on Windows RT 8.1
Microsoft .NET Framework 4.8 on Windows Server version 1803 (Server Core Installation)
Windows Server 2016
Windows Server 2012
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server version 1803 (Server Core Installation)
Windows 8
Windows Server 2008
Windows 10
Windows 7
Windows Server 2019

Version Updates

Date Version Status Detail
2022-12-21 1.00365
Modified
 Microsoft .
NET Framework 3.
5 AND 4.
8 on Windows Server version 1909 (Server Core installation),Microsoft .
NET Framework 4.
5.
2 on Windows RT 8.
1,Microsoft .
NET Framework 4.
6/4.
6.
1/4.
6.
2/4.
7/4.
7.
1/4.
7.
2 on Windows RT 8.
1,Microsoft .
NET Framework 3.
5 AND 4.
8 on Windows Server version 1903 (Server Core installation),Microsoft .
NET Framework 4.
8 on Windows RT 8.
1,Microsoft .
NET Framework 4.
8 on Windows Server version 1803 (Server Core Installation),Windows Server 2016,Windows Server 2012,Microsoft .
NET Framework 3.
5 AND 4.
7.
2 on Windows Server version 1803 (Server Core Installation),Windows 8,Windows Server 2008,Windows 10,Windows 7,Windows Server 2019
2022-12-14 1.00363
Modified
 Microsoft .
NET Framework 4.
5.
2 on Windows RT 8.
1,Microsoft .
NET Framework 3.
5 AND 4.
7.
2 on Windows Server version 1803 (Server Core Installation),Microsoft .
NET Framework 4.
6/4.
6.
1/4.
6.
2/4.
7/4.
7.
1/4.
7.
2 on Windows RT 8.
1,Microsoft .
NET Framework 4.
8 on Windows RT 8.
1,Windows Server 2016,Microsoft .
NET Framework 4.
8 on Windows Server version 1803 (Server Core Installation),Microsoft .
NET Framework 3.
5 AND 4.
8 on Windows Server version 1909 (Server Core installation),Windows Server 2012,Windows 8,Windows Server 2008,Windows 10,Windows 7,Microsoft .
NET Framework 3.
5 AND 4.
8 on Windows Server version 1903 (Server Core installation),Windows Server 2019
2020-01-15 1.00202
New
 Microsoft .
NET Framework 3.
5 AND 4.
8 on Windows Server, version 1909 (Server Core installation),Microsoft .
NET Framework 4.
5.
2 on Windows RT 8.
1,Microsoft .
NET Framework 4.
6/4.
6.
1/4.
6.
2/4.
7/4.
7.
1/4.
7.
2 on Windows RT 8.
1,Microsoft .
NET Framework 3.
5 AND 4.
8 on Windows Server, version 1903 (Server Core installation),Microsoft .
NET Framework 4.
8 on Windows RT 8.
1,Microsoft .
NET Framework 4.
8 on Windows Server, version 1803 (Server Core Installation),Windows Server 2016,Windows Server 2012,Microsoft .
NET Framework 3.
5 AND 4.
7.
2 on Windows Server, version 1803 (Server Core Installation),Windows 8,Windows Server 2008,Windows 10,Windows 7,Windows Server 2019

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0646
ID 62182
Created Jan 14, 2020
Description
Updated		 Jan 10, 2026
CVE ID
Risk black-background-circle-icon black-background-circle-icon black-background-circle-icon black-background-circle-icon black-background-circle-icon
Coverage FortiClient
OS Windows
Vendor Microsoft
Patch auto
Application Microsoft .NET Framework 3.5 AND 4.8 on Windows Server version 1909 (Server Core installation) , Microsoft .NET Framework 4.5.2 on Windows RT 8.1 , Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 , Microsoft .NET Framework 3.5 AND 4.8 on Windows Server version 1903 (Server Core installation) , Microsoft .NET Framework 4.8 on Windows RT 8.1 , Microsoft .NET Framework 4.8 on Windows Server version 1803 (Server Core Installation) , Windows Server 2016 , Windows Server 2012 , Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server version 1803 (Server Core Installation) , Windows 8 , Windows Server 2008 , Windows 10 , Windows 7 , Windows Server 2019