CVE-2026-2317
📋 TL;DR
This vulnerability in Google Chrome's animation implementation allows attackers to create malicious HTML pages that can leak data across different website origins. It affects all users running vulnerable Chrome versions before 145.0.7632.45. The attack requires user interaction with a crafted webpage.
💻 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
Sensitive cross-origin data (like authentication tokens, session cookies, or private user data) could be exfiltrated to attacker-controlled servers, potentially leading to account compromise or data theft.
Likely Case
Attackers could steal limited cross-origin information from users who visit malicious websites, potentially exposing some user data but requiring specific conditions to access highly sensitive information.
If Mitigated
With proper web security headers (CSP) and updated browsers, the risk is minimal as the vulnerability is patched and modern web security controls can prevent exploitation.
🎯 Exploit Status
Exploitation requires user interaction (visiting a malicious webpage). No public exploit code is known at this time.
🛠️ 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: No
Instructions:
1. Open Chrome and click the three-dot menu. 2. Go to Help > About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Relaunch Chrome if prompted.
🔧 Temporary Workarounds
Disable JavaScript
allTemporarily disable JavaScript to prevent exploitation, though this will break most website functionality.
🧯 If You Can't Patch
- Use alternative browsers until Chrome can be updated
- Implement strict Content Security Policy (CSP) headers on web applications to limit data leakage
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings > About Chrome. If version is below 145.0.7632.45, the system is vulnerable.Check Version:
chrome://version/ or 'google-chrome --version' on command lineVerify Fix Applied:
Confirm Chrome version is 145.0.7632.45 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Unusual cross-origin requests in web server logs
- Multiple animation-related errors in Chrome logs
Network Indicators:
- Suspicious data exfiltration to unknown domains from Chrome processes
SIEM Query:
source="chrome" AND (event="animation_error" OR event="cross_origin_violation")