CVE-2026-40371 HIGH

CVE-2026-40371: Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft Dynamics 365 (on-premises) version 9.1
Weakness CWE-280
Published June 9, 2026
Last update June 15, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 15, 2026 Record updated