Code Injection in Microsoft Dynamics 365 Customer Engagement - CVE-2026-77908

 

Code Injection in Microsoft Dynamics 365 Customer Engagement - CVE-2026-77908

Published: September 8, 2026


Vulnerability identifier: #VU147771
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-2026-77908
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 Customer Engagement

How to mitigate CVE-2026-77908

Install updates from vendor's website.

Microsoft Dynamics 365 Customer Engagement - update to 9.1.0048.0004

External References

Related Security Bulletins