# CVE-2020-1147: .NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability CVE-2020-1147 is fixed in 112 products on 2 platforms, first by KB4484443, released July 14, 2020. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/cve/CVE-2020-1147 - Priority: Patch now - CVSS: 8.8 (Critical) - EPSS: 0.9580 - CISA KEV: listed Nov 3, 2021, federal due date May 3, 2022 - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation More Likely - Published: Jul 15, 2020 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1147 ## Description

A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the process responsible for deserialization of the XML content.

To exploit this vulnerability, an attacker could upload a specially crafted document to a server utilizing an affected product to process content.

The security update addresses the vulnerability by correcting how .NET Framework, Microsoft SharePoint, and Visual Studio validates the source markup of XML content.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4566469](https://patchblox.com/security/data/fix/microsoft/kb4566469.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4579980](https://patchblox.com/security/data/fix/microsoft/kb4579980.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4566469](https://patchblox.com/security/data/fix/microsoft/kb4566469.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4579980](https://patchblox.com/security/data/fix/microsoft/kb4579980.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4566469](https://patchblox.com/security/data/fix/microsoft/kb4566469.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4579980](https://patchblox.com/security/data/fix/microsoft/kb4579980.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4566469](https://patchblox.com/security/data/fix/microsoft/kb4566469.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4579980](https://patchblox.com/security/data/fix/microsoft/kb4579980.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 14393.3986 | [KB4580346](https://patchblox.com/security/data/fix/microsoft/kb4580346.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 14393.3986 | [KB4580346](https://patchblox.com/security/data/fix/microsoft/kb4580346.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | 14393.3986 | [KB4580346](https://patchblox.com/security/data/fix/microsoft/kb4580346.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | 14393.3986 | [KB4580346](https://patchblox.com/security/data/fix/microsoft/kb4580346.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems | 10240.18725 | [KB4580327](https://patchblox.com/security/data/fix/microsoft/kb4580327.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems | 10240.18725 | [KB4580327](https://patchblox.com/security/data/fix/microsoft/kb4580327.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems | 16299.2166 | [KB4580328](https://patchblox.com/security/data/fix/microsoft/kb4580328.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systems | 16299.2166 | [KB4580328](https://patchblox.com/security/data/fix/microsoft/kb4580328.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems | 16299.2166 | [KB4580328](https://patchblox.com/security/data/fix/microsoft/kb4580328.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems | 17134.1792 | [KB4580330](https://patchblox.com/security/data/fix/microsoft/kb4580330.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for ARM64-based Systems | 17134.1792 | [KB4580330](https://patchblox.com/security/data/fix/microsoft/kb4580330.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems | 17134.1792 | [KB4580330](https://patchblox.com/security/data/fix/microsoft/kb4580330.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation) | 17134.1792 | [KB4580330](https://patchblox.com/security/data/fix/microsoft/kb4580330.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems | | [KB4578974](https://patchblox.com/security/data/fix/microsoft/kb4578974.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for ARM64-based Systems | | [KB4578974](https://patchblox.com/security/data/fix/microsoft/kb4578974.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems | | [KB4578974](https://patchblox.com/security/data/fix/microsoft/kb4578974.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems | | [KB4578974](https://patchblox.com/security/data/fix/microsoft/kb4578974.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for ARM64-based Systems | | [KB4578974](https://patchblox.com/security/data/fix/microsoft/kb4578974.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems | | [KB4578974](https://patchblox.com/security/data/fix/microsoft/kb4578974.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for 32-bit Systems | | [KB4578968](https://patchblox.com/security/data/fix/microsoft/kb4578968.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for ARM64-based Systems | | [KB4578968](https://patchblox.com/security/data/fix/microsoft/kb4578968.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for x64-based Systems | | [KB4578968](https://patchblox.com/security/data/fix/microsoft/kb4578968.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) | | [KB4579976](https://patchblox.com/security/data/fix/microsoft/kb4579976.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation) | | [KB4578974](https://patchblox.com/security/data/fix/microsoft/kb4578974.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation) | | [KB4578974](https://patchblox.com/security/data/fix/microsoft/kb4578974.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 2004 (Server Core installation) | | [KB4578968](https://patchblox.com/security/data/fix/microsoft/kb4578968.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 | | [KB4566467](https://patchblox.com/security/data/fix/microsoft/kb4566467.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 | | [KB4579978](https://patchblox.com/security/data/fix/microsoft/kb4579978.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) | | [KB4566467](https://patchblox.com/security/data/fix/microsoft/kb4566467.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) | | [KB4579978](https://patchblox.com/security/data/fix/microsoft/kb4579978.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows RT 8.1 | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4566469](https://patchblox.com/security/data/fix/microsoft/kb4566469.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4579980](https://patchblox.com/security/data/fix/microsoft/kb4579980.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4566469](https://patchblox.com/security/data/fix/microsoft/kb4566469.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4579980](https://patchblox.com/security/data/fix/microsoft/kb4579980.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2012 | | [KB4566467](https://patchblox.com/security/data/fix/microsoft/kb4566467.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2012 | | [KB4579978](https://patchblox.com/security/data/fix/microsoft/kb4579978.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) | | [KB4566467](https://patchblox.com/security/data/fix/microsoft/kb4566467.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) | | [KB4579978](https://patchblox.com/security/data/fix/microsoft/kb4579978.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4566469](https://patchblox.com/security/data/fix/microsoft/kb4566469.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4578963](https://patchblox.com/security/data/fix/microsoft/kb4578963.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4566469](https://patchblox.com/security/data/fix/microsoft/kb4566469.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4578963](https://patchblox.com/security/data/fix/microsoft/kb4578963.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | | [KB4578963](https://patchblox.com/security/data/fix/microsoft/kb4578963.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | | [KB4578963](https://patchblox.com/security/data/fix/microsoft/kb4578963.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4578963](https://patchblox.com/security/data/fix/microsoft/kb4578963.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4578963](https://patchblox.com/security/data/fix/microsoft/kb4578963.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | | [KB4566467](https://patchblox.com/security/data/fix/microsoft/kb4566467.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | | [KB4579978](https://patchblox.com/security/data/fix/microsoft/kb4579978.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | | [KB4566467](https://patchblox.com/security/data/fix/microsoft/kb4566467.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | | [KB4579978](https://patchblox.com/security/data/fix/microsoft/kb4579978.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems | | [KB4578969](https://patchblox.com/security/data/fix/microsoft/kb4578969.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems | | [KB4578969](https://patchblox.com/security/data/fix/microsoft/kb4578969.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems | | [KB4578971](https://patchblox.com/security/data/fix/microsoft/kb4578971.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems | | [KB4578971](https://patchblox.com/security/data/fix/microsoft/kb4578971.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems | | [KB4578972](https://patchblox.com/security/data/fix/microsoft/kb4578972.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems | | [KB4578972](https://patchblox.com/security/data/fix/microsoft/kb4578972.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows RT 8.1 | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4566466](https://patchblox.com/security/data/fix/microsoft/kb4566466.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4579977](https://patchblox.com/security/data/fix/microsoft/kb4579977.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 | | [KB4566467](https://patchblox.com/security/data/fix/microsoft/kb4566467.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 | | [KB4579978](https://patchblox.com/security/data/fix/microsoft/kb4579978.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | | [KB4566467](https://patchblox.com/security/data/fix/microsoft/kb4566467.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | | [KB4579978](https://patchblox.com/security/data/fix/microsoft/kb4579978.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) | | [KB4566468](https://patchblox.com/security/data/fix/microsoft/kb4566468.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) | | [KB4579979](https://patchblox.com/security/data/fix/microsoft/kb4579979.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2016 | | [KB4578969](https://patchblox.com/security/data/fix/microsoft/kb4578969.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) | | [KB4578969](https://patchblox.com/security/data/fix/microsoft/kb4578969.md) | Oct 13, 2020 | | Microsoft | Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation) | | [KB4578972](https://patchblox.com/security/data/fix/microsoft/kb4578972.md) | Oct 13, 2020 | | Microsoft | Microsoft SharePoint Enterprise Server 2013 Service Pack 1 | | [KB4484443](https://patchblox.com/security/data/fix/microsoft/kb4484443.md) | Jul 14, 2020 | | Microsoft | Microsoft SharePoint Enterprise Server 2016 | | [KB4484436](https://patchblox.com/security/data/fix/microsoft/kb4484436.md) | Jul 14, 2020 | | Microsoft | Microsoft SharePoint Server 2010 Service Pack 2 | | [KB4484460](https://patchblox.com/security/data/fix/microsoft/kb4484460.md) | Jul 14, 2020 | | Microsoft | Microsoft SharePoint Server 2019 | | [KB4484453](https://patchblox.com/security/data/fix/microsoft/kb4484453.md) | Jul 14, 2020 | | Linux | aspnetcore-runtime-3.1 RHEL 8 | 0:3.1.6-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | aspnetcore-runtime-3.1 ol 8 | 0:3.1.6-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | aspnetcore-targeting-pack-3.1 RHEL 8 | 0:3.1.6-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | aspnetcore-targeting-pack-3.1 ol 8 | 0:3.1.6-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | dotnet RHEL 8 | 0:3.1.106-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | dotnet ol 8 | 0:3.1.106-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | dotnet-apphost-pack-3.1 RHEL 8 | 0:3.1.6-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | dotnet-apphost-pack-3.1 ol 8 | 0:3.1.6-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | dotnet-host RHEL 8 | 0:3.1.6-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | dotnet-host ol 8 | 0:3.1.6-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | dotnet-host-fxr-2.1 RHEL 8 | 0:2.1.20-1.el8_2 | [RHSA-2020:2938](https://patchblox.com/security/data/fix/linux/rhsa-2020-2938.md) | Jul 15, 2020 | | Linux | dotnet-host-fxr-2.1 ol 8 | 0:2.1.20-1.el8_2 | [ELSA-2020-2938](https://patchblox.com/security/data/fix/linux/elsa-2020-2938.md) | Jul 16, 2020 | | Linux | dotnet-hostfxr-3.1 RHEL 8 | 0:3.1.6-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | dotnet-hostfxr-3.1 ol 8 | 0:3.1.6-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | dotnet-runtime-2.1 RHEL 8 | 0:2.1.20-1.el8_2 | [RHSA-2020:2938](https://patchblox.com/security/data/fix/linux/rhsa-2020-2938.md) | Jul 15, 2020 | | Linux | dotnet-runtime-2.1 ol 8 | 0:2.1.20-1.el8_2 | [ELSA-2020-2938](https://patchblox.com/security/data/fix/linux/elsa-2020-2938.md) | Jul 16, 2020 | | Linux | dotnet-runtime-3.1 RHEL 8 | 0:3.1.6-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | dotnet-runtime-3.1 ol 8 | 0:3.1.6-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | dotnet-sdk-2.1 RHEL 8 | 0:2.1.516-1.el8_2 | [RHSA-2020:2938](https://patchblox.com/security/data/fix/linux/rhsa-2020-2938.md) | Jul 15, 2020 | | Linux | dotnet-sdk-2.1 ol 8 | 0:2.1.516-1.el8_2 | [ELSA-2020-2938](https://patchblox.com/security/data/fix/linux/elsa-2020-2938.md) | Jul 16, 2020 | | Linux | dotnet-sdk-2.1.5xx RHEL 8 | 0:2.1.516-1.el8_2 | [RHSA-2020:2938](https://patchblox.com/security/data/fix/linux/rhsa-2020-2938.md) | Jul 15, 2020 | | Linux | dotnet-sdk-2.1.5xx ol 8 | 0:2.1.516-1.el8_2 | [ELSA-2020-2938](https://patchblox.com/security/data/fix/linux/elsa-2020-2938.md) | Jul 16, 2020 | | Linux | dotnet-sdk-3.1 RHEL 8 | 0:3.1.106-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | dotnet-sdk-3.1 ol 8 | 0:3.1.106-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | dotnet-targeting-pack-3.1 RHEL 8 | 0:3.1.6-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | dotnet-targeting-pack-3.1 ol 8 | 0:3.1.6-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | dotnet-templates-3.1 RHEL 8 | 0:3.1.106-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | dotnet-templates-3.1 ol 8 | 0:3.1.106-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | | Linux | netstandard-targeting-pack-2.1 RHEL 8 | 0:3.1.106-1.el8_2 | [RHSA-2020:2954](https://patchblox.com/security/data/fix/linux/rhsa-2020-2954.md) | Jul 15, 2020 | | Linux | netstandard-targeting-pack-2.1 ol 8 | 0:3.1.106-1.0.1.el8_2 | [ELSA-2020-2954](https://patchblox.com/security/data/fix/linux/elsa-2020-2954.md) | Jul 17, 2020 | --- Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.