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Description

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

PUBLISHED Reserved 2026-06-17 | Published 2026-07-14 | Updated 2026-07-14 | Assigner microsoft




CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-502: Deserialization of Untrusted Data

Product status

1.0 (custom) before 11.0.50704.0
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55944 (Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability) vendor-advisory patch

cve.org (CVE-2026-55944)

nvd.nist.gov (CVE-2026-55944)

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