What’s Vulnerable › Vulnerabilities
CVE-2026-42898: Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
- Severity: critical (CVSS 9.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-12 · updated 2026-10-26
- Weakness: CWE-94
Description
Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.
Affected products
- Microsoft Dynamics 365 (on-premises) version 9.0: from 9.1.1.914 before 9.1.45.11 — fixed in 9.1.45.11
- Microsoft Dynamics 365 (on-premises) version 9.0: from 9.0 before 9.1.45.11 — fixed in 9.1.45.11
How to fix
Upgrade to a fixed version: Microsoft Dynamics 365 (on-premises) version 9.0 9.1.45.11; Microsoft Dynamics 365 (on-premises) version 9.0 9.1.45.11. Check the vendor advisory for mitigations.
References
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