CVE-2025-13223
📋 TL;DR
A type confusion vulnerability in Chrome's V8 JavaScript engine allows attackers to trigger heap corruption by tricking the engine into treating one data type as another. This affects all users running vulnerable versions of Google Chrome. Successful exploitation could lead to arbitrary code execution.
💻 Affected Systems
- Google Chrome
- Chromium-based browsers
📦 What is this software?
Chrome by Google
Google Chrome is the world's most popular web browser, used by over 3 billion users globally across Windows, macOS, Linux, Android, and iOS platforms. As a Chromium-based browser developed by Google, Chrome dominates the browser market with approximately 65% market share, making it a critical compon...
Learn more about Chrome →⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with the same privileges as the Chrome process, potentially leading to full system compromise, data theft, or ransomware deployment.
Likely Case
Browser crash (denial of service) or limited code execution within the sandboxed renderer process.
If Mitigated
Browser crash with no data loss if sandboxing holds, or blocked execution if exploit detection triggers.
🎯 Exploit Status
CISA confirms known exploitation. Exploit requires user to visit a malicious webpage.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 142.0.7444.175 and later
Vendor Advisory: https://chromereleases.googleblog.com/2025/11/stable-channel-update-for-desktop_17.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' to restart Chrome.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents execution of malicious JavaScript that could trigger the vulnerability
Use Site Isolation
allEnforces process separation between websites to limit exploit impact
Navigate to chrome://flags/#site-isolation-trial-opt-out and set to 'Disabled'
🧯 If You Can't Patch
- Use alternative browsers until patching is possible
- Implement network filtering to block known malicious domains hosting exploits
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: Open Chrome → three-dot menu → Help → About Google Chrome. If version is below 142.0.7444.175, you're vulnerable.Check Version:
On Windows: "C:\Program Files\Google\Chrome\Application\chrome.exe" --version
On macOS: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --version
On Linux: google-chrome --versionVerify Fix Applied:
Confirm Chrome version is 142.0.7444.175 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with V8-related errors
- Unexpected renderer process terminations
Network Indicators:
- Connections to domains hosting known exploit kits
- Unusual outbound traffic from Chrome processes
SIEM Query:
source="chrome" AND (event_type="crash" OR process_name="chrome.exe") AND message="V8"