High severity · published May 12, 2026
CVE-2026-40417
Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MD
Microsoft Dynamics 365 Business Central 2024 Release Wave 2 · Microsoft
25.0 before 25.2.48119 · source: vendor
MD
Microsoft Dynamics 365 Business Central 2026 Release Wave 1 · Microsoft
28.0 before 28.0.49873 · source: vendor
MD
Microsoft Dynamics 365 Business Central Release Wave 1 2025 · Microsoft
26.0 before 26.0.48120 · source: vendor
MD
Microsoft Dynamics 365 Business Central Release Wave 2 2025 · Microsoft
27.0 before 27.0.48102 · source: vendor
D3
Dynamics 365 Business Central · Microsoft
2024; 2025; 2025; 2026 · source: NVD
Affected product
MD
Microsoft Dynamics 365 Business Central 2024 Release Wave 2
Microsoft