---
id: CVE-2026-33118
title: Microsoft Edge (Chromium-based) Spoofing Vulnerability
summary: >-
  User interface (ui) misrepresentation of critical information in Microsoft
  Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over
  a network.
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-451
vendor: Microsoft
product: Microsoft Edge (Chromium-based)
affected:
  - edge_chromium-based >= 1.0.0.0 < 147.0.3912.60
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-04-14T14:02:52.172267Z'
published: '2026-04-10'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T17:26:27.629Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-33118'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33118'
    label: Microsoft Edge (Chromium-based) Spoofing Vulnerability
tags:
  - cve.org
epss: 0.00704
epssPercentile: 0.5124
ingestedAt: '2026-09-25T18:14:20.407Z'
---

## Overview

User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

## Affected

- `edge_chromium-based >= 1.0.0.0 < 147.0.3912.60`

## Remediation

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