What is CVE-2026-40375?

CVE-2026-40375 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Dynamics Business Central Information Disclosure Vulnerability

Which CVE IDs does CVE-2026-40375 cover?

CVE-2026-40375 covers the following CVE IDs: CVE-2026-40375. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-40375?

CVE-2026-40375 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-40375?

CVE-2026-40375 affects 4 products, including: Microsoft Dynamics 365 Business Central 2024 Release Wave 2; Microsoft Dynamics 365 Business Central 2026 Release Wave 1; Microsoft Dynamics 365 Business Central Release Wave 1 2025; Microsoft Dynamics 365 Business Central Release Wave 2 2025.

CVE-2026-40375HighCVSS 6.5

Microsoft Dynamics Business Central Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-40375 →

📋 Description

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

🎯 Affected products4

Microsoft Dynamics 365 Business Central 2024 Release Wave 2
Microsoft Dynamics 365 Business Central 2026 Release Wave 1
Microsoft Dynamics 365 Business Central Release Wave 1 2025
Microsoft Dynamics 365 Business Central Release Wave 2 2025

✅ Remediation

KB5100263 (Security Update) — fixed build 26.0.50788 KB5100266 (Security Update) — fixed build 28.0.50938 KB5100265 (Security Update) — fixed build 27.0.50789

🔗 References (4)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40375
patchhttps://support.microsoft.com/help/5100263
patchhttps://support.microsoft.com/help/5100266
patchhttps://support.microsoft.com/help/5100265