Vulnerability · Published May 12, 2026 · Assigned by microsoft
CVE-2026-40417Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity security flaw in Microsoft Dynamics 365 Business Central 2024 Release Wave 2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 80.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Dynamics 365 Business Central 2024 Release Wave 2 | 25.0 – before 25.2.48119 |
| Microsoft | Microsoft Dynamics 365 Business Central 2026 Release Wave 1 | 28.0 – before 28.0.49873 |
| Microsoft | Microsoft Dynamics 365 Business Central Release Wave 1 2025 | 26.0 – before 26.0.48120 |
| Microsoft | Microsoft Dynamics 365 Business Central Release Wave 2 2025 | 27.0 – before 27.0.48102 |
Weakness: CWE-1390 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability vendor-advisory, patch