CVE-2026-40417

Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability

State: Published
Severity: 7.8 High
Published: May 12, 2026
Updated: Aug 10, 2026
Reserved: Apr 13, 2026

Description

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

Scores

CVSS	Score	Vector	Source
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	microsoft

Weaknesses

CWE-1390 Weak Authentication

Affected Products

Product	Versions
Microsoft Dynamics 365 Business Central 2024 Release Wave 2Microsoft	25.0 to before 25.2.48119Affected
Microsoft Dynamics 365 Business Central 2026 Release Wave 1Microsoft	28.0 to before 28.0.49873Affected
Microsoft Dynamics 365 Business Central Release Wave 1 2025Microsoft	26.0 to before 26.0.48120Affected
Microsoft Dynamics 365 Business Central Release Wave 2 2025Microsoft	27.0 to before 27.0.48102Affected

References

Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerabilityvendor-advisorypatch

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