CVE-2026-65772: Microsoft Dynamics 365

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Deserialization of untrusted data in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.

Affected products

• Microsoft Dynamics 365: from 9.1, before 9.1.0046.0006 (fixed in 9.1.0046.0006)

Published 2026-09-08. Last modified 2026-10-07.