CVE-2026-2313
📋 TL;DR
This is a use-after-free vulnerability in Chrome's CSS engine that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this by tricking users into visiting a malicious webpage, potentially leading to arbitrary code execution. All Chrome users on versions before 145.0.7632.45 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 Chrome is running with elevated privileges.
Likely Case
Browser crash (denial of service) or limited code execution within Chrome's sandbox, potentially allowing data theft or further exploitation.
If Mitigated
Browser crash with no data compromise if sandboxing works correctly and no additional vulnerabilities are chained.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious page) but no authentication. Use-after-free vulnerabilities in Chrome's rendering engine have been successfully exploited in the past.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 145.0.7632.45 and later
Vendor Advisory: https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_10.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 updated version.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents malicious JavaScript from triggering the vulnerability, but breaks most website functionality.
Use site isolation
allEnsure site isolation is enabled (default in Chrome) to limit impact if exploited.
🧯 If You Can't Patch
- Restrict web browsing to trusted sites only using browser policies or web filters
- Implement application whitelisting to prevent execution of unknown processes
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: if below 145.0.7632.45, system is vulnerable.Check Version:
chrome://version/ (in Chrome address bar) or 'google-chrome --version' (command line)Verify Fix Applied:
Confirm Chrome version is 145.0.7632.45 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination events
- Sandbox escape attempts in security logs
Network Indicators:
- Connections to known malicious domains hosting exploit code
- Unusual outbound traffic from Chrome processes
SIEM Query:
process_name:"chrome.exe" AND (event_id:1000 OR event_id:1001) OR process_name:"chrome" AND signal:SIGSEGV