Home › Exploited CVEs › CVE-2020-1147
CVE-2020-1147: Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability
Microsoft .NET Framework, SharePoint, Visual Studio · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2022-05-03federal remediation due date
93.97%EPSS exploit probability (30 days) 99.8th percentile
7.8 HIGHCVSS 3.1
Unknownknown ransomware use
477days from NVD publication to KEV
What it is
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.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | — |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2020-07-14 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2020-1147.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.