Improper Link Resolution Leading to Information Disclosure in Microsoft Edge

Publication date: 2026-07-03

Last updated on: 2026-07-03

Assigner: Microsoft Corporation

Description

Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
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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-2026-57991

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	edge	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-59	The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper link resolution before file access in Microsoft Edge (Chromium-based). Specifically, it is a 'link following' issue that allows an unauthorized attacker to disclose information over a network.

Impact Analysis

The vulnerability can lead to unauthorized disclosure of information over a network. This means an attacker could potentially access sensitive data without permission, impacting confidentiality.

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