CVE-2026-40375: Microsoft Dynamics Business Central Information Disclosure Vulnerability
Microsoft Dynamics Business Central Information Disclosure Vulnerability
Other sources
Missing authorization in Dynamics Business Central allows an authorized attacker to disclose information over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 26.0.50788Patch KB5100263 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 28.0.50938Patch KB5100266 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 27.0.50789Patch KB5100265
Event History
Frequently Asked Questions
What is the severity of CVE-2026-40375?
The severity of CVE-2026-40375 is classified as medium with a score of 6.5.
How do I fix CVE-2026-40375?
To fix CVE-2026-40375, ensure that you are using the latest version of Microsoft Dynamics 365 Business Central that addresses this vulnerability.
What type of vulnerability is CVE-2026-40375?
CVE-2026-40375 is an information disclosure vulnerability that allows an authorized attacker to access information over a network without proper authorization.
Which software is affected by CVE-2026-40375?
CVE-2026-40375 affects Microsoft Dynamics 365 Business Central Release Wave 1 2025, Release Wave 2 2025, Release Wave 1 2026, and Release Wave 2 2024.
Can CVE-2026-40375 be exploited remotely?
Yes, CVE-2026-40375 can be exploited remotely, allowing attackers to disclose sensitive information over a network.