CVE-2026-100214
Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability
Microsoft Microsoft Dynamics NAV 2017
CVSS
8.8HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)1.83%Chance of exploitation activity in the next 30 days, higher than 78% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Vendor and government advisories 1
Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Deserialization of untrusted data in Dynamics Business Central allows an authorized attacker to execute code over a network.
Text from CVE List
Affected versions 2
- Microsoft Dynamics NAV 2017affected: 1.0 before 30713CVE List
- Microsoft Dynamics NAV 2018affected: 1.0 before 11.0.50736.0CVE List