CVE-2023-21744

Microsoft SharePoint Server Remote Code Execution Vulnerability

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 2.25% Top 20%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft SharePoint Enterprise Server 2016
Affected: Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Affected: Microsoft Microsoft SharePoint Server 2019
Affected: Microsoft Microsoft SharePoint Server Subscription Edition
Affected: Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21744 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-21744?
CVE-2023-21744 has been scored as a high severity vulnerability.
How to fix CVE-2023-21744?
To fix CVE-2023-21744, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-21744 being actively exploited in the wild?
It is possible that CVE-2023-21744 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21744?
CVE-2023-21744 affects Microsoft Microsoft SharePoint Enterprise Server 2016, Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1, Microsoft Microsoft SharePoint Server 2019, Microsoft Microsoft SharePoint Server Subscription Edition, Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.