CVE-2026-55944

Microsoft · Published July 14, 2026

9.8

CVSS v3.1

CRITICAL

Patch availableGet patch

Description

Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability. Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.

Affected Products

Microsoft Dynamics NAV 2018

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C