CVE-2026-40375

Microsoft Dynamics Business Central Information Disclosure Vulnerability

CVE-2026-40375 is fixed in 3 products on 1 platform, first by KB5100266, released August 11, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

6.5

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0084

58th percentile

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

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Dynamics 365 Business Central 2026 Release Wave 1	KB5100266	Aug 11, 2026
Microsoft Dynamics 365 Business Central Release Wave 1 2025	KB5100263	Aug 11, 2026
Microsoft Dynamics 365 Business Central Release Wave 2 2025	KB5100265	Aug 11, 2026

Details

Published
August 11, 2026
Weakness
Missing Authorization
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40375

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