Improper Authentication in Azure Active Directory

Publication date: 2026-06-19

Last updated on: 2026-06-24

Assigner: Microsoft Corporation

Description

Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-19

Last Modified

2026-06-24

Generated

2026-07-11

AI Q&A

2026-06-20

EPSS Evaluated

2026-07-10

NVD

CVE-2026-45480

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	azure_active_directory	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper authentication in Azure Active Directory, which allows an unauthorized attacker to elevate their privileges over a network.

Impact Analysis

An attacker exploiting this vulnerability can gain elevated privileges without authorization, potentially leading to full control over affected systems and data.

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