---
id: CVE-2025-13639
title: >-
  Inappropriate implementation in WebRTC in Google Chrome prior to 143.0.7499.41
  allowed a remote attacker to perform arbitrary read/write via a crafted HTML
  page
summary: >-
  Inappropriate implementation in WebRTC in Google Chrome prior to 143.0.7499.41
  allowed a remote attacker to perform arbitrary read/write via a crafted HTML
  page. (Chromium security severity: Low)
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'
cwe:
  - CWE-79
vendor: google
product: chrome
affected:
  - chrome < 143.0.7499.40
patched:
  - chrome 143.0.7499.40
published: '2025-12-02'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T23:10:00.463'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13639'
references:
  - url: >-
      https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/448408148'
    label: chrome-cve-admin@google.com
tags:
  - nvd
epss: 0.00253
epssPercentile: 0.15019
ingestedAt: '2026-09-25T23:21:16.863Z'
---

## Overview

Inappropriate implementation in WebRTC in Google Chrome prior to 143.0.7499.41 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Low)

## Affected

- `chrome < 143.0.7499.40`

## Remediation

Upgrade past the affected range:

- `chrome 143.0.7499.40`