CVE-2020-1046

.NET Framework Remote Code Execution Vulnerability

CVE-2020-1046 is fixed in 44 products on 1 platform, first by KB4571694, released August 11, 2020. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
n/a
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0376
89th percentile

<p>A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system.</p> <p>To exploit the vulnerability, an attacker would need to be able to upload a specially crafted file to a web application.</p> <p>The security update addresses the vulnerability by correcting how .NET Framework processes input.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 KB4570503 Aug 11, 2020
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 KB4570509 Aug 11, 2020
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 KB4570503 Aug 11, 2020
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 KB4570509 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) KB4570505 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems 14393.3866 KB4571694 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems 14393.3866 KB4571694 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems 16299.2045 KB4571741 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for ARM64-based Systems 16299.2045 KB4571741 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems 16299.2045 KB4571741 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems 17134.1667 KB4571709 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for ARM64-based Systems 17134.1667 KB4571709 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems 17134.1667 KB4571709 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for 32-bit Systems KB4569751 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for ARM64-based Systems KB4569751 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for x64-based Systems KB4569751 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1909 for 32-bit Systems KB4569751 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1909 for ARM64-based Systems KB4569751 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 1909 for x64-based Systems KB4569751 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 2004 for 32-bit Systems KB4569745 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 2004 for ARM64-based Systems KB4569745 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 Version 2004 for x64-based Systems KB4569745 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems 10240.18666 KB4571692 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems 10240.18666 KB4571692 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems KB4570508 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems KB4570502 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems KB4570508 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems KB4570502 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2012 KB4570507 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2012 KB4570501 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) KB4570507 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) KB4570501 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 KB4570508 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 KB4570502 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) KB4570508 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) KB4570502 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2016 14393.3866 KB4571694 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation) 14393.3866 KB4571694 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server, version 1903 (Server Core installation) KB4569751 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server, version 1909 (Server Core installation) KB4569751 Aug 11, 2020
Microsoft .NET Framework 3.5 on Windows Server, version 2004 (Server Core installation) KB4569745 Aug 11, 2020
Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 KB4570506 Aug 11, 2020
Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 KB4570500 Aug 11, 2020
Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 KB4570506 Aug 11, 2020
Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 KB4570500 Aug 11, 2020
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4570506 Aug 11, 2020
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4570500 Aug 11, 2020

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