CVE-2026-2649
📋 TL;DR
An integer overflow vulnerability in Chrome's V8 JavaScript engine allows remote attackers to trigger heap corruption via malicious HTML pages. This could lead to arbitrary code execution or browser crashes. All users running vulnerable Chrome versions are affected.
💻 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 if combined with other vulnerabilities.
Likely Case
Browser crash (denial of service) or limited memory corruption that could be leveraged for information disclosure.
If Mitigated
Browser sandboxing limits impact to Chrome process only, preventing full system compromise in most configurations.
🎯 Exploit Status
Exploitation requires user to visit malicious webpage. No public exploit code is known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 145.0.7632.109
Vendor Advisory: https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_18.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click menu (three dots) → 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
allTemporarily disable JavaScript execution in Chrome to prevent exploitation
chrome://settings/content/javascript → Toggle to 'Blocked'
Use Site Isolation
allEnable Site Isolation to limit impact of memory corruption
chrome://flags/#enable-site-per-process → Enable
🧯 If You Can't Patch
- Use alternative browser temporarily
- Implement network filtering to block suspicious websites
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in About Google Chrome page. If version is below 145.0.7632.109, system is vulnerable.Check Version:
chrome://version/Verify Fix Applied:
Confirm Chrome version is 145.0.7632.109 or higher in About Google Chrome page.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Process termination events
- Memory access violation logs
Network Indicators:
- Requests to known malicious domains hosting exploit code
- Unusual JavaScript execution patterns
SIEM Query:
source="chrome" AND (event="crash" OR event="process_termination") AND version<"145.0.7632.109"