May 2026: Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-42833 Published on May 12, 2026
Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.
Weakness Type
Execution with Unnecessary Privileges
The software performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.
Products Associated with CVE-2026-42833
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Affected Versions
Microsoft Dynamics 365 (on-premises) version 9.1:- Version 9.0 and below 9.1.45.11 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.