CVE-2026-40371
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Privilege Escalation in Microsoft Dynamics 365 On-Premises

Vulnerability report for CVE-2026-40371, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-30
AI Q&A
2026-06-09
EPSS Evaluated
2026-06-28
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft dynamics_365 *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-280 The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state.

Attack-Flow Graph

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Executive Summary

This vulnerability involves improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises). It allows an authorized attacker to elevate their privileges over a network.

Impact Analysis

An attacker who is already authorized can exploit this vulnerability to gain higher privileges than intended. This elevation of privilege can lead to full control over the affected system, potentially compromising confidentiality, integrity, and availability of data and services.

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