Dynamics Business Central
CVE-2026-40375 — Microsoft Dynamics Business Central Information Disclosure Vulnerability
Executive Summary
Missing authorization in Dynamics Business Central allows an authorized attacker to disclose information over a network.
Overview
6.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
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
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 5.7
EPSS Score
0.00769
probability of exploitation in the next 30 days
0.5242 percentile - updated 2026-08-14
View on FIRST.org
Affected Products
3 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Dynamics 365 Business Central 2024 Release Wave 2 Important Information Disclosure None Base: 6.5 Temporal: 5.7 Vector: 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 Unknown Unknown None Microsoft Dynamics 365 Business Central 2026 Release Wave 1 | 5100266 (Security Update) |
Important | Information Disclosure | No |
| Microsoft Dynamics 365 Business Central Release Wave 1 2025 | 5100263 (Security Update) |
Important | Information Disclosure | No |
| Microsoft Dynamics 365 Business Central Release Wave 2 2025 | 5100265 (Security Update) |
Important | Information Disclosure | No |
Patches
3 patches
| Article | Type | Restart |
|---|---|---|
5100266 |
Security Update | No |
5100263 |
Security Update | No |
5100265 |
Security Update | No |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
References
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