CVE-2026-55944

CRITICAL

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

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 7/14/2026Modified: 7/22/2026

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NVD CRITICAL: CVE-2026-55944 — Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthoriz...

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

CVE-2026-55944
NIST NVD

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55944Vendor AdvisoryPatch