CVE intelligence

CVE-2026-40417

Vulnerability intelligence

Published May 12, 2026Sources checked Nov 11, 2026

7.8HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-40417 and is rated High severity with a CVSS score of 7.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Aug 10, 2026

Vendor remediation details

Install KB5093780. Install KB5086069. Install KB5086070. Install KB5086068.

Vendor-listed releases

28.0.49873
26.0.48120
27.0.48102
25.2.48119

CISA KEVNot listedBased on the latest collected catalog

EPSS0.3%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-40417?

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

Source: NVD