CVE-2026-55944: critical vulnerability in Microsoft Dynamics NAV 2018
Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 1.5%
Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Dynamics NAV 2018Related CVEs — Microsoft Dynamics NAV 2018
In the same product, most dangerous first.
CVE-2020-0905—CVE-2020-0905EPSS 10.8%CVE-2020-1022—CVE-2020-1022EPSS 6.8%CVE-2020-1018—CVE-2020-1018EPSS 6.3%CVE-2026-100214HIGHMicrosoft Dynamics 365 Business Central Remote Code Execution VulnerabilityEPSS 2.1%CVE-2022-41127HIGHMicrosoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution VulnerabilityEPSS 1.7%CVE-2021-1724MEDIUMMicrosoft Dynamics Business Central Cross-site Scripting VulnerabilityEPSS 1.3%