CVE-2025-29821

Local information disclosure to low-privileged users

Published Apr 8, 2025 · Updated Aug 10, 2026

Improper input validation in Microsoft Dynamics 365 Business Central 23.0 through 26.0 allows local users to disclose information. Microsoft has not disclosed the affected component, the input accepted without adequate validation, or the information exposed. Exploitation requires local low-privileged access and affects confidentiality only, with no reported data modification or service interruption.

CVSS severity5.5
Medium
EPSS probability0.69%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Microsoft Dynamics 365 Business Central 23.0 through 26.0 allows local users to disclose information. Microsoft has not disclosed the affected component, the input accepted without adequate validation, or the information exposed. Exploitation requires local low-privileged access and affects confidentiality only, with no reported data modification or service interruption.

The record

CVE
CVE-2025-29821
Published
Apr 8, 2025
Updated
Aug 10, 2026
Vendor
Microsoft
Product
Dynamics 365 Business Central 2023 Release Wave 2
Classifications
CWE-20
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=23.0 <23.0.32309

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Dynamics 365 Business Central 2023 Release Wave 2version=23.0 <23.0.32309
Microsoft · Dynamics 365 Business Central 2025 Release Wave 1version=26.0 <26.0.32481
Microsoft · Dynamics 365 Business Central 2024 Release Wave 2version=25.0 <25.2.32308
Microsoft · Dynamics 365 Business Central 2024 Release Wave 1version=24.0 <24.0.32305

Published CVSS scores

5.5Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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