---
id: CVE-2026-62904
title: >-
  Incorrect authorization in Microsoft Edge (Chromium-based) allows an
  unauthorized attacker to disclose information over a network.
summary: >-
  Incorrect authorization in Microsoft Edge (Chromium-based) allows an
  unauthorized attacker to disclose information over a network.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'
cwe:
  - CWE-863
vendor: microsoft
product: edge_chromium
affected:
  - edge_chromium < 152.0.4191.53
patched:
  - edge_chromium 152.0.4191.53
published: '2026-08-28'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T17:17:33.433'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-62904'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62904'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-31T15:21:19.442357Z'
ingestedAt: '2026-09-13T14:55:02.964Z'
epss: 0.00392
epssPercentile: 0.30469
---

## Overview

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

## Affected

- `edge_chromium < 152.0.4191.53`

## Remediation

Upgrade past the affected range:

- `edge_chromium 152.0.4191.53`