What’s Vulnerable › Vulnerabilities

CVE-2020-1069: Microsoft SharePoint Server Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-21 · updated 2026-08-19
• Weakness: CWE-476

Description

A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process. To exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server. The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.

Affected products

• Microsoft SharePoint Server: 2016
• Microsoft SharePoint Foundation 2013 Service Pack 1: 2013-sp1
• Microsoft SharePoint Server: 2019

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1069
• https://nvidia.custhelp.com/app/answers/detail/a_id/5147
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1069

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