Code Injection in Microsoft Dynamics 365 (on-premises) - CVE-2026-42898

 

Code Injection in Microsoft Dynamics 365 (on-premises) - CVE-2026-42898

Published: May 13, 2026


Vulnerability identifier: #VU131328
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42898
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in Microsoft Dynamics 365 On-Premises. A remote user can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Microsoft Dynamics 365 (on-premises)

How to mitigate CVE-2026-42898

Install updates from vendor's website.

Microsoft Dynamics 365 (on-premises) - update to 9.1.44.15

External References

Related Security Bulletins