What’s Vulnerable › Vulnerabilities
CVE-2026-65815: Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-11 · updated 2026-10-30
- Weakness: CWE-502
Description
Deserialization of untrusted data 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 before 9.1.47.06 — fixed in 9.1.47.06
- Microsoft Dynamics 365 (on-premises) version 9.0: from 9.0 before 9.1.0047.0006 — fixed in 9.1.0047.0006
How to fix
Upgrade to a fixed version: Microsoft Dynamics 365 (on-premises) version 9.0 9.1.47.06; Microsoft Dynamics 365 (on-premises) version 9.0 9.1.0047.0006. Check the vendor advisory for mitigations.
References
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