CVE-2026-40417

High

Description

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

SeverityHigh
CVSS7.8
Exploit probability—
ProductMicrosoft Dynamics 365 Business Central
PublishedMay 12, 2026
First seenMay 12, 2026
Weakness typeCWE-1390CWE-1390

How to fix

Affected products

ProductAffected versionsFixed in
microsoft dynamics_365_business_central2024, 2025, 2026—

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