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High 7.8Published May 12, 2026
CVE-2026-40417Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Dynamics 365 Business Central 2024 Release Wave 2 and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.
- CVSS
- 7.8 HIGH (v3.1, CNA)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)
- CWE-1390
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Microsoft Dynamics 365 Business Central 2024 Release Wave 2 microsoft:dynamics_365_business_central_2024_release_wave_2 (from the name) | from 25.0 before 25.2.48119 | CNA record |
Microsoft Microsoft Dynamics 365 Business Central 2026 Release Wave 1 microsoft:dynamics_365_business_central_2026_release_wave_1 (from the name) | from 28.0 before 28.0.49873 | CNA record |
Microsoft Microsoft Dynamics 365 Business Central Release Wave 1 2025 microsoft:dynamics_365_business_central_release_wave_1_2025 (from the name) | from 26.0 before 26.0.48120 | CNA record |
Microsoft Microsoft Dynamics 365 Business Central Release Wave 2 2025 microsoft:dynamics_365_business_central_release_wave_2_2025 (from the name) | from 27.0 before 27.0.48102 | CNA record |
microsoft dynamics_365_business_central microsoft:dynamics_365_business_central | 2024; 2025; 2025; 2026 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40417vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.