Microsoft Edge Spoofing Vulnerability via Improper Access Control

Publication date: 2026-07-03

Last updated on: 2026-07-03

Assigner: Microsoft Corporation

Description

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-03

Last Modified

2026-07-03

Generated

2026-07-04

AI Q&A

2026-07-04

EPSS Evaluated

N/A

NVD

CVE-2026-58286

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	edge	*

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 Microsoft Edge (Chromium-based) that allows an unauthorized attacker to perform spoofing over a network.

Impact Analysis

An attacker exploiting this vulnerability could spoof content or identities over a network, potentially misleading users or systems. This could lead to unauthorized information disclosure, manipulation of data, or disruption of services.

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