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 v4.0: 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/E:U/U:Green
CVE-ID: CVE-2026-42898
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Dynamics 365 (on-premises)

Detailed vulnerability description

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.


How to mitigate CVE-2026-42898

Install updates from vendor's website.

Sources