CVE-2026-40375HighMicrosoft CVSS 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Microsoft security update for CVE-2026-40375 — Microsoft Dynamics

Published
August 14, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40375. This page also shows what EchelonGraph holds for CVE-2026-40375, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products5

  • 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
  • Microsoft Dynamics NAV 2017 on Windows Server 2012
  • Microsoft Dynamics NAV 2018 on Windows Server 2012

✅ Updates Microsoft lists: 3 KB articles and 2 other updates

5 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
KB5100263Security Update26.0.50788
KB5100266Security Update28.0.50938
KB5100265Security Update27.0.50789
—Security Update30713
—Security Update11.0.50736.0

🧭 EchelonGraph on CVE-2026-40375

EchelonGraph score
6.5 MEDIUM
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

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

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-40375, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (8)