CVE-2026-40375 Microsoft Dynamics Business Central Information Disclosure Vulnerability
An authorized attacker can disclose sensitive information due to missing authorization checks in Microsoft Dynamics Business Central.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40375?
CVE-2026-40375 is a medium-severity missing authorization vulnerability in Microsoft Dynamics NAV 2017, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Missing authorization in Dynamics Business Central allows an authorized attacker to disclose information over a network.
Weakness: CWE-862
Which versions are affected by CVE-2026-40375?
It affects 3 products.
Products include Microsoft Dynamics 365 Business Central 2024, Microsoft Dynamics 365 Business Central 2025, Microsoft Dynamics 365 Business Central 2026.
How do I fix CVE-2026-40375?
No fix has been published for CVE-2026-40375 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-40375 being exploited?
There is no known exploitation of CVE-2026-40375 in the wild and no public exploit code.
Sources
Also known as GHSA-7w96-3fg4-2p29.