CVE-2026-55944 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Microsoft	Dynamics Nav 2018

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55944

History

Tue, 14 Jul 2026 18:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 14 Jul 2026 17:45:00 +0000

Type	Values Removed	Values Added
Description		Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.
Title		Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability
First Time appeared		Microsoft Microsoft dynamics Nav 2018
Weaknesses		CWE-502
CPEs		cpe:2.3:a:microsoft:dynamics_nav_2018::::::::
Vendors & Products		Microsoft Microsoft dynamics Nav 2018
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55944
Metrics		cvssV3_1 `{'score': 9.8, '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'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-07-14T17:09:10.942Z

Updated: 2026-07-14T18:44:21.325Z

Reserved: 2026-06-17T17:37:17.983Z

Link: CVE-2026-55944

Vulnrichment

Updated: 2026-07-14T18:01:08.679Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

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