Remote Code Execution Vulnerability in Microsoft Dynamics NAV by Microsoft
CVE-2026-55944

9.8CRITICAL

Key Information:

Vendor

Microsoft
Status
Microsoft Dynamics Nav 2018
Vendor
CVE Published:
14 July 2026

What is CVE-2026-55944?

A deserialization vulnerability in Microsoft Dynamics NAV allows attackers to leverage untrusted data through the network, potentially enabling them to execute arbitrary code. This can compromise the integrity and security of the application, making it crucial to implement security patches.

Affected Version(s)

Microsoft Dynamics NAV 2018 1.0 < 11.0.50704.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.