---
id: CVE-2026-40375
title: Microsoft Dynamics Business Central Information Disclosure Vulnerability
summary: >-
  Missing authorization in Dynamics Business Central allows an authorized
  attacker to disclose information over a network.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-862
vendor: Microsoft
product: Microsoft Dynamics 365 Business Central 2024 Release Wave 2
affected:
  - dynamics_365_business_central_2024_release_wave_2 -
  - dynamics_365_business_central_2026_release_wave_1 >= 28.0 < 28.0.50938
  - dynamics_365_business_central_release_wave_1_2025 >= 26.0 < 26.0.50788
  - dynamics_365_business_central_release_wave_2_2025 >= 27.0 < 27.0.50789
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-11T21:01:46.759183Z'
published: '2026-08-11'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:43:59.755Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-40375'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40375'
    label: Microsoft Dynamics Business Central Information Disclosure Vulnerability
tags:
  - cve.org
epss: 0.00769
epssPercentile: 0.54148
ingestedAt: '2026-09-08T18:07:34.902Z'
---

## Overview

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

## Affected

- `dynamics_365_business_central_2024_release_wave_2 -`
- `dynamics_365_business_central_2026_release_wave_1 >= 28.0 < 28.0.50938`
- `dynamics_365_business_central_release_wave_1_2025 >= 26.0 < 26.0.50788`
- `dynamics_365_business_central_release_wave_2_2025 >= 27.0 < 27.0.50789`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.