CVE-2026-65815
High
Description
Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Microsoft Dynamics
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- microsoft dynamics_3659.1.47.06 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft dynamics_365 | 9.1 ≤ v < 9.1.47.06 | 9.1.47.06 |
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