CVE-2026-55944

Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability

State
Published
Severity
9.8 Critical
Published
Jul 14, 2026
Updated
Nov 1, 2026
Reserved
Jun 17, 2026

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-502 Deserialization of Untrusted Data

Affected Products

ProductVersions
Microsoft Dynamics NAV 2018Microsoft
  • 1.0 to before 11.0.50704.0Affected

References

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