Paper/Archive/CVE-2026-55944

CVE-2026-55944

Microsoft Microsoft Dynamics NAV 2018 — Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability

EPSS 2%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 74.7.747 × 2014.9 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

Affected

ProductAffectedFixed inSource

Microsoft Dynamics NAV 20181.0 – < 11.0.50704.011.0.50704.0CNA

Scores by source

microsoft (CNA)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

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-55944