CVE-2026-2322
📋 TL;DR
This vulnerability allows attackers to trick users into interacting with fake UI elements in Chrome's file input interface. Users who visit malicious websites while using vulnerable Chrome versions are affected. The attacker must convince users to perform specific UI gestures on a crafted HTML page.
💻 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
Users could be tricked into uploading sensitive files or performing unintended file operations by interacting with spoofed UI elements that appear legitimate.
Likely Case
Users might unintentionally select or upload files they didn't intend to, potentially exposing non-critical data or causing minor inconvenience.
If Mitigated
With proper user awareness and updated browsers, impact is minimal as users would recognize suspicious UI behavior and avoid interacting with untrusted sites.
🎯 Exploit Status
Exploitation requires user interaction with specific UI gestures on a malicious webpage. No authentication bypass or remote code execution is involved.
🛠️ 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 settings 2. Click 'About Chrome' 3. Allow Chrome to update automatically 4. Relaunch Chrome if prompted
🔧 Temporary Workarounds
Disable automatic file downloads
allConfigure Chrome to ask where to save files instead of automatically downloading
chrome://settings/content/files
Use site isolation
allEnable site isolation to limit cross-origin attacks
chrome://flags/#enable-site-per-process
🧯 If You Can't Patch
- Educate users to avoid clicking on file upload prompts from untrusted websites
- Implement web filtering to block known malicious domains
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in settings. If version is below 145.0.7632.45, system is vulnerable.Check Version:
chrome://version/Verify Fix Applied:
Confirm Chrome version is 145.0.7632.45 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Unusual file upload patterns from web sessions
- Multiple file selection attempts from single sessions
Network Indicators:
- Traffic to domains hosting crafted HTML pages with file input elements
SIEM Query:
source="chrome_audit_logs" AND event="file_dialog_interaction" AND user_gesture="suspicious"