CVE-2026-40417 json
Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
published 2026-05-12 5 mo ago modified 2026-10-26 14 d ago also EUVD-2026-29674
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 19%
- public exploits
- 0
- none known
Summary
Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
Patch / fix
- Microsoft Microsoft Dynamics 365 Business Central 2024 Release Wave 2 25.2.48119
- Microsoft Microsoft Dynamics 365 Business Central 2026 Release Wave 1 28.0.49873
- Microsoft Microsoft Dynamics 365 Business Central Release Wave 1 2025 26.0.48120
- Microsoft Microsoft Dynamics 365 Business Central Release Wave 2 2025 27.0.48102
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | 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 |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft Dynamics 365 Business Central 2024 Release Wave 2
- Microsoft Microsoft Dynamics 365 Business Central 2026 Release Wave 1
- Microsoft Microsoft Dynamics 365 Business Central Release Wave 1 2025
- Microsoft Microsoft Dynamics 365 Business Central Release Wave 2 2025
Classification
- Weakness
-
- CWE-1390 Weak Authentication
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-40417
vendor-advisory, patch
Sources
- CVE List CVE-2026-40417
- NVD CVE-2026-40417
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