High severity · published Oct 13, 2026
CVE-2026-100214
Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability
8.8
CVSS
2.1%
EPSS
No
On KEV
Description
Deserialization of untrusted data in Dynamics Business Central allows an authorized attacker to execute code over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MD
Microsoft Dynamics NAV 2017 · Microsoft
1.0 before 30713 · source: vendor
MD
Microsoft Dynamics NAV 2018 · Microsoft
1.0 before 11.0.50736.0 · source: vendor