Improper Access Control in Azure AI Foundry M365 Agents

Publication date: 2026-05-07

Last updated on: 2026-05-08

Assigner: Microsoft Corporation

Description

Improper access control in Azure AI Foundry M365 published agents allows an unauthorized attacker to elevate privileges over a network.

CVSS Scores

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Meta Information

Published

2026-05-07

Last Modified

2026-05-08

Generated

2026-07-09

AI Q&A

2026-05-08

EPSS Evaluated

2026-07-08

NVD

CVE-2026-35435

EUVD

EUVD-2026-28454

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	azure_ai_foundry	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper access control issue in Azure AI Foundry M365 published agents. It allows an unauthorized attacker to elevate their privileges over a network, meaning they can gain higher-level access than intended without proper authorization.

Impact Analysis

The vulnerability can impact you by allowing an attacker to gain elevated privileges remotely without user interaction. This can lead to unauthorized access to sensitive data or systems, potentially compromising confidentiality and security.

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