CVE-2023-21778

Name: CVE-2023-21778
Creator: NVD / NIST
Published: 2023-02-14T21:15:11.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2023-21778 is a high-severity vulnerability rated 8/10 on the CVSS scale. Microsoft Dynamics Unified Service Desk Remote Code Execution Vulnerability. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

Microsoft Dynamics Unified Service Desk Remote Code Execution Vulnerability

Metrics

CVSS 3.1

8/10

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

0.97%

57.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Microsoft	Dynamics 365	< 4.2.0.51

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21778Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21778Patch, Vendor Advisory

Timeline

Published: Feb 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21778?

Microsoft Dynamics Unified Service Desk Remote Code Execution Vulnerability

How severe is CVE-2023-21778?

CVE-2023-21778 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21778?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21778?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST