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CVE Vulnerability Database
Vulnerability Database/CVE-2025-13226

CVE-2025-13226: Google Chrome V8 RCE Vulnerability

CVE-2025-13226 is a type confusion RCE flaw in Google Chrome's V8 engine that enables remote attackers to exploit heap corruption through malicious HTML pages. This article covers technical details, affected versions, and mitigation.

Published: April 28, 2026

CVE-2025-13226 Overview

A type confusion vulnerability has been identified in the V8 JavaScript engine used by Google Chrome prior to version 142.0.7444.59. This vulnerability allows a remote attacker to potentially exploit heap corruption through a specially crafted HTML page. The flaw stems from improper handling of object types within V8, which can lead to memory corruption when processing malicious JavaScript code.

Critical Impact

Remote attackers can exploit this type confusion vulnerability to achieve heap corruption, potentially leading to arbitrary code execution within the browser's sandboxed renderer process. Successful exploitation could allow attackers to execute malicious code on victim systems simply by tricking users into visiting a malicious webpage.

Affected Products

  • Google Chrome versions prior to 142.0.7444.59
  • Affects Chrome installations on Windows operating systems
  • Affects Chrome installations on macOS
  • Affects Chrome installations on Linux

Discovery Timeline

  • 2025-11-18 - CVE-2025-13226 published to NVD
  • 2025-11-19 - Last updated in NVD database

Technical Details for CVE-2025-13226

Vulnerability Analysis

This vulnerability is classified as CWE-843 (Access of Resource Using Incompatible Type, also known as Type Confusion). Type confusion vulnerabilities in JavaScript engines like V8 occur when the engine incorrectly assumes an object is of one type when it is actually another. This misinterpretation can lead to the engine accessing memory regions incorrectly, resulting in heap corruption.

V8 employs sophisticated optimizations including Just-In-Time (JIT) compilation to enhance JavaScript execution performance. These optimizations often make assumptions about object types to generate efficient machine code. When these assumptions are violated through carefully crafted JavaScript, the generated code may access memory incorrectly, leading to exploitable conditions.

The vulnerability requires user interaction—specifically, a victim must navigate to a malicious webpage containing the crafted HTML and JavaScript payload. Once triggered, the heap corruption could potentially be leveraged for arbitrary code execution within Chrome's renderer process.

Root Cause

The root cause lies in improper type handling within the V8 JavaScript engine's optimization pipeline. When V8 compiles JavaScript code, it makes assumptions about object types to generate optimized machine code. A flaw in this type inference or propagation logic allows specially crafted JavaScript to violate these assumptions, causing the engine to treat an object as an incompatible type. This results in incorrect memory access patterns that corrupt the heap.

Attack Vector

The attack vector is network-based and requires user interaction. An attacker must:

  1. Host a malicious webpage containing specially crafted HTML with embedded JavaScript
  2. Lure a victim into visiting the malicious page (via phishing, malvertising, or compromised legitimate sites)
  3. The malicious JavaScript triggers the type confusion in V8
  4. Heap corruption occurs, potentially allowing further exploitation

The vulnerability exploits the browser's JavaScript execution capabilities. When a user visits the attacker-controlled page, the malicious JavaScript executes automatically within the browser context, triggering the type confusion condition in V8's internal object handling routines. No additional user action beyond visiting the page is required for the vulnerability to be triggered.

Detection Methods for CVE-2025-13226

Indicators of Compromise

  • Unusual Chrome renderer process crashes or instability after visiting unknown websites
  • Memory access violations or exceptions in Chrome's V8 engine components
  • Unexpected JavaScript execution patterns in network traffic analysis
  • Browser process spawning unusual child processes

Detection Strategies

  • Monitor for Chrome versions older than 142.0.7444.59 across the enterprise environment
  • Implement endpoint detection rules to identify V8 type confusion exploitation patterns
  • Deploy network monitoring to detect delivery of known exploit payloads targeting this vulnerability
  • Use browser telemetry to identify renderer process crashes that may indicate exploitation attempts

Monitoring Recommendations

  • Enable Chrome's built-in crash reporting to capture potential exploitation attempts
  • Monitor web proxy logs for access to domains associated with browser exploit delivery
  • Implement SentinelOne's behavioral AI to detect post-exploitation activity following browser compromise
  • Review endpoint logs for unusual process behavior following browser sessions

How to Mitigate CVE-2025-13226

Immediate Actions Required

  • Update Google Chrome to version 142.0.7444.59 or later immediately across all systems
  • Enable automatic updates in Chrome to ensure timely patching of future vulnerabilities
  • Deploy enterprise browser management policies to enforce minimum version requirements
  • Consider restricting access to untrusted websites until patching is complete

Patch Information

Google has released a security update addressing this vulnerability in Chrome version 142.0.7444.59. The fix is available for Windows, macOS, and Linux platforms. Organizations should prioritize deployment of this update given the potential for remote code execution.

For detailed patch information, refer to the Google Chrome Desktop Update release notes. Additional technical details can be found in the Chromium Issue Tracker Entry.

Workarounds

  • Consider using an alternative browser temporarily until Chrome can be updated
  • Implement network-level filtering to block known malicious domains
  • Enable Site Isolation in Chrome if not already active to limit the impact of renderer compromises
  • Use web content filtering solutions to restrict access to high-risk website categories
bash
# Verify Chrome version from command line
# Windows
"C:\Program Files\Google\Chrome\Application\chrome.exe" --version

# macOS
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --version

# Linux
google-chrome --version

# Ensure version is 142.0.7444.59 or higher

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

  • Vulnerability Details
  • TypeRCE

  • Vendor/TechGoogle Chrome

  • SeverityHIGH

  • CVSS Score8.8

  • EPSS Probability0.11%

  • Known ExploitedNo
  • CVSS Vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Impact Assessment
  • ConfidentialityLow
  • IntegrityHigh
  • AvailabilityHigh
  • CWE References
  • CWE-843
  • Technical References
  • Chromium Issue Tracker Entry
  • Vendor Resources
  • Google Chrome Desktop Update
  • Related CVEs
  • CVE-2026-7950: Google Chrome RCE Vulnerability

  • CVE-2026-7951: Google Chrome WebRTC RCE Vulnerability

  • CVE-2026-7962: Google Chrome RCE Vulnerability

  • CVE-2026-7963: Google Chrome RCE Vulnerability
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