---
id: CVE-2026-96187
title: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
summary: >-
  Access of resource using incompatible type ('type confusion') in Microsoft
  Edge (Chromium-based) allows an unauthorized attacker to disclose information
  over a network.
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-843
vendor: Microsoft
product: Microsoft Edge (Chromium-based)
affected:
  - edge_chromium-based >= 1.0.0.0 < 155.0.4283.45
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-30T13:38:07.997435Z'
published: '2026-10-29'
updated: '2026-10-31'
sourceUpdated: '2026-10-31T18:13:36.114Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-96187'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96187'
    label: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
tags:
  - cve.org
epss: 0.00503
epssPercentile: 0.43171
ingestedAt: '2026-11-05T18:28:50.653Z'
---

## Overview

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

## Affected

- `edge_chromium-based >= 1.0.0.0 < 155.0.4283.45`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.