Vulnerability in Microsoft Dynamics NAV 2017

[ Description ]Official description

Deserialization of untrusted data in Dynamics Business Central allows an authorized attacker to execute code over a network.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• CERT-FR14 Oct 2026CERTFR-2026-AVI-1316

  Multiple vulnerabilities in Microsoft products Translated from French

  Multiple vulnerabilities have been discovered in Microsoft products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.

  CVE-2026-88086CVE-2026-70007CVE-2026-70179+141 more CVEs
• BSI CERT-Bund13 Oct 2026WID-SEC-2026-3918

  Microsoft Dynamics: Multiple vulnerabilities Translated from German

  CVE-2026-100214CVE-2026-105727CVE-2026-105728+1 more CVEs
• NCSC-NL13 Oct 2026NCSC-2026-0424

  Vulnerabilities fixed in Microsoft Dynamics Translated from Dutch

  Probability/damage M/HCVE-2026-102848CVE-2026-100214CVE-2026-102226+3 more CVEs

[ References ]References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-100214