CVE-2024-49054
📋 TL;DR
This vulnerability in Microsoft Edge allows attackers to spoof UI elements, potentially tricking users into interacting with malicious content. It affects users of Microsoft Edge (Chromium-based) on supported Windows systems. The vulnerability requires user interaction to be exploited.
💻 Affected Systems
- Microsoft Edge (Chromium-based)
📦 What is this software?
Edge Chromium by Microsoft
⚠️ Risk & Real-World Impact
Worst Case
Users could be tricked into entering credentials or sensitive information into malicious UI elements that appear legitimate, leading to credential theft or data compromise.
Likely Case
Attackers create convincing spoofed UI elements that trick users into clicking malicious links or entering information into fake forms.
If Mitigated
With proper user awareness training and security controls, users are less likely to interact with suspicious UI elements, reducing the impact.
🎯 Exploit Status
Exploitation requires user interaction with malicious content. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Microsoft Edge version 128.0.2739.42 or later
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49054
Restart Required: Yes
Instructions:
1. Open Microsoft Edge. 2. Click the three-dot menu → Help and feedback → About Microsoft Edge. 3. The browser will automatically check for and install updates. 4. Restart Edge when prompted.
🔧 Temporary Workarounds
Disable JavaScript (temporary)
windowsDisabling JavaScript can prevent some UI spoofing techniques, but will break many websites.
edge://settings/content/javascript
🧯 If You Can't Patch
- Use alternative browsers until Edge can be updated
- Implement strict web filtering to block known malicious sites
🔍 How to Verify
Check if Vulnerable:
Check Edge version by navigating to edge://settings/help or clicking menu → Help and feedback → About Microsoft EdgeCheck Version:
Start Edge and navigate to edge://version or check via menu → Help and feedback → About Microsoft EdgeVerify Fix Applied:
Verify Edge version is 128.0.2739.42 or higher📡 Detection & Monitoring
Log Indicators:
- Unusual user reports of suspicious UI elements
- Security tool alerts for phishing attempts
Network Indicators:
- Connections to known malicious domains serving spoofed content
SIEM Query:
Edge browser logs showing navigation to suspicious domains combined with user interaction events