CVE-2020-1147—Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability

PUBLISHEDvulnerability record
2021-11-03 · last modified June 21, 2025

Metadata

CVE ID:
CVE-2020-1147
Project:
Microsoft
Product:
.NET Framework, SharePoint, Visual Studio
Date Added:
2021-11-03
Due Date:
2022-05-03
Last Updated:
June 21, 2025

Vulnerability Name

Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability

Description

Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2020-1147
browse all CVEs