CVE-2026-40417 Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
Weak authentication in Microsoft Dynamics 365 Business Central allows authorized attackers to elevate privileges locally.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40417?
CVE-2026-40417 is a high-severity vulnerability in Microsoft Dynamics 365 Business Central 2024 Release Wave 2, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
Weakness: CWE-1390
Which versions are affected by CVE-2026-40417?
It affects 1 product.
Products include Microsoft Dynamics 365 Business Central.
How do I fix CVE-2026-40417?
No fix has been published for CVE-2026-40417 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-40417 being exploited?
There is no known exploitation of CVE-2026-40417 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Dynamics 365 Business Central 2024 Release Wave 2
- CVE-2024-38225 Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
- CVE-2024-35249 Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability
- CVE-2022-41127 Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability
- CVE-2024-43460 Dynamics 365 Business Central Elevation of Privilege Vulnerability
- CVE-2024-21380 Microsoft Dynamics Business Central/NAV Information Disclosure Vulnerability
Sources
Also known as GHSA-x37p-2fc6-57xh.