CVE-2026-40371

HIGH

Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40371

Scores

CVSS v3 8.8
EPSS 0.0063
EPSS Percentile 46.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-280 CWE-755
Status published
Products (3)
microsoft/dynamics_365 9.1 - 9.1.45.11
Microsoft/Microsoft Dynamics 365 (on-premises) version 9.1 9.0 - 9.1 Train 26062 (06.2)
Microsoft/Microsoft Dynamics 365 (on-premises) version 9.1 9.0 - 9.1.0045.0011
Published Jun 09, 2026
Tracked Since Jun 09, 2026