CVE-2026-62904

Analyzed Analyzed - Analysis Complete

Microsoft Edge Chromium-based Information Disclosure Vulnerability

Publication date: 2026-08-28

Last updated on: 2026-09-11

Assigner: Microsoft Corporation

Description

Incorrect authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-28

Last Modified

2026-09-11

Generated

2026-09-18

AI Q&A

2026-08-29

EPSS Evaluated

2026-09-15

NVD

CVE-2026-62904

EUVD

EUVD-2026-67848

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	edge_chromium	to 152.0.4191.53 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability is an incorrect authorization issue in Microsoft Edge (Chromium-based). It allows an unauthorized attacker to access and disclose information over a network without proper permissions.

Detection Guidance

This vulnerability involves incorrect authorization in Microsoft Edge allowing information disclosure. Detection may require monitoring network traffic for unauthorized data transmission from Edge processes. Check Edge version against Microsoft's advisory and inspect network logs for suspicious outbound connections from msedge.exe.

Impact Analysis

An attacker could exploit this to access sensitive information stored or transmitted through Microsoft Edge. This may include personal data, credentials, or other confidential details, depending on user activity.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, potentially violating GDPR (data protection) or HIPAA (health information privacy) if sensitive data is disclosed. Organizations must address it to maintain compliance.

Mitigation Strategies

Apply the latest security updates from Microsoft for Microsoft Edge (Chromium-based) to address the incorrect authorization issue.

Hi! I’m here to help you understand CVE-2026-62904. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70