CVE-2026-40417: Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability

Published May 12, 2026
·
Updated

Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability

Other sources

Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.

Microsoft

Affected Software

9 affected componentsFixes available
Microsoft Dynamics 365 Business Central
Microsoft Dynamics 365 Business Central 2026 Release Wave 1
Microsoft Dynamics 365 Business Central Release Wave 1 2025
Microsoft Dynamics 365 Business Central Release Wave 2 2025
Microsoft Dynamics 365 Business Central 2024 Release Wave 2
Microsoft Dynamics 365 Business Central=2024-release_wave_2
Microsoft Dynamics 365 Business Central=2025-release_wave_1
Microsoft Dynamics 365 Business Central=2025-release_wave_2
Microsoft Dynamics 365 Business Central=2026-release_wave_1

Event History

May 12, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·04:58 PM
Data Sourced
via MITRE·04:58 PM
DescriptionSeverity
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-40417?

The severity of CVE-2026-40417 is rated high with a score of 7.8.

2

How do I fix CVE-2026-40417?

To fix CVE-2026-40417, ensure your Microsoft Dynamics 365 Business Central is updated to the latest patched version.

3

What type of vulnerability is CVE-2026-40417?

CVE-2026-40417 is an elevation of privilege vulnerability due to weak authentication in Microsoft Dynamics 365 Business Central.

4

Who is affected by CVE-2026-40417?

Users of Microsoft Dynamics 365 Business Central, specifically those using versions from 2024 Release Wave 2 onwards, are affected by CVE-2026-40417.

5

What can an attacker do with CVE-2026-40417?

An authorized attacker can exploit CVE-2026-40417 to elevate privileges locally on the affected systems.

Contact

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