How severe is CVE-2025-29821?

CVE-2025-29821 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-29821 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29821?

CVE-2025-29821 primarily affects Microsoft Dynamics 365 Business Central 2023. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-29821?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-29821 have an EU (EUVD) identifier?

Yes. CVE-2025-29821 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10128.

When was CVE-2025-29821 published?

CVE-2025-29821 was published on 2025-04-08 and last updated on 2026-06-17.

CVE-2025-29821

CVE-2025-29821 is a medium-severity vulnerability in Microsoft Dynamics 365 Business Central 2023 with a CVSS 3.x base score of 5.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10128
Weakness: CWE-20
Affected product: Microsoft Dynamics 365 Business Central 2023
Published: 2025-04-08
Last modified: 2026-06-17

Description

Improper input validation in Dynamics Business Central allows an authorized attacker to disclose information locally.

Frequently asked questions

What is CVE-2025-29821?: Improper input validation in Dynamics Business Central allows an authorized attacker to disclose information locally.
How severe is CVE-2025-29821?: CVE-2025-29821 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-29821 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29821?: CVE-2025-29821 primarily affects Microsoft Dynamics 365 Business Central 2023. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-29821?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-29821 have an EU (EUVD) identifier?: Yes. CVE-2025-29821 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10128.
When was CVE-2025-29821 published?: CVE-2025-29821 was published on 2025-04-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29821

Affected products (3)

cpe:2.3:a:microsoft:dynamics_365_business_central_2023:*:*:*:*:on-premise:*:*:*
cpe:2.3:a:microsoft:dynamics_365_business_central_2024:*:*:*:*:on-premise:*:*:*
cpe:2.3:a:microsoft:dynamics_365_business_central_2025:*:*:*:*:on-premise:*:*:*

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