Improper Handling of Insufficient Permissions or Privileges in Microsoft Dynamics 365 (on-premises) - CVE-2026-40371
Published: June 10, 2026
Vulnerability identifier: #VU134190
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-2026-40371
CWE-ID: CWE-280
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises), which leads to security restrictions bypass and privilege escalation.
Affected software
Microsoft Dynamics 365 (on-premises)
How to mitigate CVE-2026-40371
Install updates from vendor's website.
Microsoft Dynamics 365 (on-premises) - update to 9.1 Train 26062 06.2