How severe is CVE-2025-55238?

CVE-2025-55238 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-55238 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55238?

CVE-2025-55238 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55238?

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.

Does CVE-2025-55238 have an EU (EUVD) identifier?

Yes. CVE-2025-55238 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26869.

When was CVE-2025-55238 published?

CVE-2025-55238 was published on 2025-09-04 and last updated on 2026-06-17.

CVE-2025-55238

CVE-2025-55238 is a high-severity vulnerability in Microsoft Dynamics 365 with a CVSS 3.x base score of 7.5. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26869
Weakness: CWE-284
Affected product: Microsoft Dynamics 365
Published: 2025-09-04
Last modified: 2026-06-17

Description

Dynamics 365 FastTrack Implementation Assets Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2025-55238?: Dynamics 365 FastTrack Implementation Assets Information Disclosure Vulnerability
How severe is CVE-2025-55238?: CVE-2025-55238 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-55238 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55238?: CVE-2025-55238 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55238?: 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.
Does CVE-2025-55238 have an EU (EUVD) identifier?: Yes. CVE-2025-55238 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26869.
When was CVE-2025-55238 published?: CVE-2025-55238 was published on 2025-09-04 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55238

Affected products (1)

cpe:2.3:a:microsoft:dynamics_365:-:*:*:*:*:fasttrack:*:*

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