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Microsoft Security Response CenterCVE-2026-55944

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.

Read the vendor bulletin Get alerts for Microsoft Dynamics NAV
9.8CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • Microsoft Dynamics NAV 2018

Versions the vendor lists as fixed

  • 11.0.50704.0
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-55944View CVSS, KEV, EPSS, and threat context
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