HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2021-11-03Vulnerability
CVE-2020-1147
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.
Properties
- Euvd product
- Microsoft Visual Studio 2019, Microsoft .NET Framework 4.8 on Windows Server 2012 R2, Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation), Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for 32-bit Systems, Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation), 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, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systems, Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation), Microsoft SharePoint Server, Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation), Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems, Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems, Microsoft Visual Studio 2019 version 16.6 (includes 16.0 - 16.5), Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation), Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019, Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 2004 (Server Core installation), Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for ARM64-based Systems
- Vulnerability name
- Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability
- First seen
- 2025-10-21T23:35:39+00:00
- Cvss score
- 7.8
- Epss score
- 0.93966
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2022-05-03
- Euvd assigner
- microsoft
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2021-11-03T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2021-11-03
- Score
- 7.8
- Euvd base score version
- 3.1
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Microsoft
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 7.8
Related Entities (44 · showing 22)
AFFECTS_PRODUCT (42 · showing 20)
DESCRIBES (1)
INVOLVES (1)
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