CVE-2026-0900

8.8 HIGH

📋 TL;DR

This vulnerability in Chrome's V8 JavaScript engine allows attackers to corrupt memory objects through malicious HTML pages, potentially leading to arbitrary code execution. All users running affected Chrome versions are at risk when visiting compromised websites.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 144.0.7559.59
Operating Systems: Windows, macOS, Linux, ChromeOS
Default Config Vulnerable: ⚠️ Yes
Notes: All standard Chrome installations are vulnerable. Extensions or security settings do not mitigate this vulnerability.

📦 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 →

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 memory corruption leading to information disclosure from browser memory.

🟢

If Mitigated

No impact if Chrome is fully patched or if exploit attempts are blocked by web filtering/security controls.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Exploitation requires user interaction (visiting malicious site) but no authentication. The vulnerability is in the core JavaScript engine, making exploitation non-trivial but feasible for skilled attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 144.0.7559.59 and later

Vendor Advisory: https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_13.html

Restart Required: Yes

Instructions:

1. Open Chrome. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' to restart Chrome with the patched version.

🔧 Temporary Workarounds

Disable JavaScript

all

Prevents exploitation by disabling JavaScript execution, but breaks most modern websites

chrome://settings/content/javascript → Block

Use Site Isolation

all

Enables Chrome's Site Isolation feature to limit impact of memory corruption

chrome://flags/#enable-site-per-process → Enable

🧯 If You Can't Patch

  • Block access to untrusted websites using web filtering/proxy solutions
  • Use application control to restrict Chrome usage to essential business functions only

🔍 How to Verify

Check if Vulnerable:

Check Chrome version: if below 144.0.7559.59, system is vulnerable

Check Version:

google-chrome --version (Linux/Mac) or navigate to chrome://version

Verify Fix Applied:

Confirm Chrome version is 144.0.7559.59 or higher

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports with V8-related errors
  • Unexpected browser process termination

Network Indicators:

  • Requests to known malicious domains hosting exploit code
  • Unusual outbound connections from Chrome processes

SIEM Query:

source="chrome_crash_reports" AND (message="V8" OR message="memory_corruption")

🔗 References

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