How severe is CVE-2022-23259?

CVE-2022-23259 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-23259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23259?

CVE-2022-23259 primarily affects Microsoft Dynamics 365. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-23259?

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-2022-23259 published?

CVE-2022-23259 was published on 2022-04-15 and last updated on 2026-06-17.

CVE-2022-23259

CVE-2022-23259 is a high-severity vulnerability in Microsoft Dynamics 365 with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Dynamics 365
Published: 2022-04-15
Last modified: 2026-06-17

Description

Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2022-23259?: Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
How severe is CVE-2022-23259?: CVE-2022-23259 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-23259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23259?: CVE-2022-23259 primarily affects Microsoft Dynamics 365. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-23259?: 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-2022-23259 published?: CVE-2022-23259 was published on 2022-04-15 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23259

Affected products (2)

cpe:2.3:a:microsoft:dynamics_365:9.0:*:*:*:on-premises:*:*:*
cpe:2.3:a:microsoft:dynamics_365:9.1:*:*:*:on-premises:*:*:*

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