Vulnerability · Published Oct 13, 2026 · Assigned by microsoft
CVE-2026-100214Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability
High 8.8
In plain English
A high-severity unsafe deserialization in Microsoft Dynamics NAV 2017 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)2.1%top 18.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Deserialization of untrusted data in Dynamics Business Central allows an authorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Dynamics NAV 2017 | 1.0 – before 30713 |
| Microsoft | Microsoft Dynamics NAV 2018 | 1.0 – before 11.0.50736.0 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability vendor-advisory, patch