CVE-2026-40417
Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-40417- CVSS 3.1
- 7.8 High
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 - Weakness
- CWE-1390
- Updated
- 2026-11-02
EUVDEUVD-2026-29674
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2026-29674- CVSS 3.1
- 7.8 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x37p-2fc6-57xh
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate...
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
- Record
GHSA-x37p-2fc6-57xh- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1390
- Updated
- 2026-11-02
NVD
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-40417- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1390
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-40417 is a high vulnerability (CVSS 7.8) in Microsoft Dynamics 365 Business Central, published May 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.