← Vulnerability feed

Vulnerability record · CVE-2026-40417 · published 12 May 2026

CVE-2026-40417: Microsoft dynamics 365 business central vulnerability

Microsoft · Dynamics 365 Business Central

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

7.8 CVSS 3.1 High EPSS 0.30% · top 79.9% CWE-1390 · CWE-1390
7.8CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
10 Aug 2026Last modified by NVD

Description

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

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40417 Vendor Advisory

Track CVE-2026-40417 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-38225Microsoft dynamics 365 business central improper authentication vulnerabilityMicrosoft Dynamics 365 Business Central Elevation of Privilege VulnerabilityEPSS 1.4%8.8CVE-2024-43460Microsoft dynamics 365 business central improper authorization vulnerabilityImproper authorization in Dynamics 365 Business Central resulted in a vulnerability that allows an authenticated attacker to elevate privileges over …EPSS 0.71%8.8CVE-2024-35249Microsoft dynamics 365 business central deserialization of untrusted data vulnerabilityMicrosoft Dynamics 365 Business Central Remote Code Execution VulnerabilityEPSS 3.4%8.5CVE-2022-41127Microsoft dynamics 365 business central vulnerabilityMicrosoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution VulnerabilityEPSS 1.6%8.0CVE-2024-21380Microsoft dynamics 365 business central information exposure vulnerabilityMicrosoft Dynamics Business Central/NAV Information Disclosure VulnerabilityEPSS 1.7%8.0CVE-2021-34474Microsoft dynamics 365 business central vulnerabilityMicrosoft Dynamics 365 Business Central Remote Code Execution VulnerabilityEPSS 2.2%8.0CVE-2020-1022Microsoft dynamics 365 business central vulnerabilityA remote code execution vulnerability exists in Microsoft Dynamics Business Central, aka 'Dynamics Business Central Remote Code Execution Vulnerabili…EPSS 6.8%8.0CVE-2020-0905Microsoft dynamics 365 business central vulnerabilityAn remote code execution vulnerability exists in Microsoft Dynamics Business Central, aka 'Dynamics Business Central Remote Code Execution Vulnerabil…EPSS 11%

Source: NIST National Vulnerability Database (record CVE-2026-40417), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.