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CVE-2026-40375

Microsoft Dynamics Business Central Information Disclosure Vulnerability

No known exploitation. EPSS puts it in the 57th percentile. Fixed versions are out.

CVSS 3.16.5MediumEPSS percentile57th0.8% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products3 fixed builds listed below

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Microsoft Dynamics 365 Business Central 2026 Release Wave 1Affected: ≥ 28.0, < 28.0.50938Upgrade to: 28.0.50938Stated by: CVE record
  • Microsoft Dynamics 365 Business Central Release Wave 1 2025Affected: ≥ 26.0, < 26.0.50788Upgrade to: 26.0.50788Stated by: CVE record
  • Microsoft Dynamics 365 Business Central Release Wave 2 2025Affected: ≥ 27.0, < 27.0.50789Upgrade to: 27.0.50789Stated by: CVE record
  • Microsoft Dynamics 365 Business Central 2024Affected: 25.1.25900Upgrade to: not statedStated by: NVD
  • Microsoft Dynamics 365 Business Central 2025Affected: ≥ 26.0, < 26.0.50788Upgrade to: 26.0.50788Stated by: NVD

Versions as the sources state them. 1 more product has version data. Full version matrix after sign-in

What it is

From the CVE record

Missing authorization in Dynamics Business Central allows an authorized attacker to disclose information over a network.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS57th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.8% chance of exploitation activity in the next 30 days, which ranks it in the 57th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

7 events over 2 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified, att&ck mapped, record updated, record updated

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Scored 6.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

In the news

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