CVE-2023-21778
CVE-2023-21778 is a high-severity vulnerability in Microsoft Dynamics 365 with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: High (CVSS 3.x base score 8.0)
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Microsoft Dynamics 365
- Published:
- Last modified:
Description
Microsoft Dynamics Unified Service Desk Remote Code Execution Vulnerability
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 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-21778 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21778?
- CVE-2023-21778 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-21778?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-21778 published?
- CVE-2023-21778 was published on 2023-02-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:unified_service_desk:*:*:*
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