CVE-2026-55944
Critical
Description
Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Microsoft Dynamics Nav
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft dynamics_nav | 2018 | — |
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