CVE-2024-38112
📋 TL;DR
This vulnerability in Windows MSHTML platform allows attackers to spoof content in web pages, potentially tricking users into performing unintended actions. It affects Windows systems with Internet Explorer or applications using MSHTML engine. Attackers could exploit this by crafting malicious web content.
💻 Affected Systems
- Windows
- Internet Explorer
- Applications using MSHTML engine
📦 What is this software?
Windows 10 1507 by Microsoft
Windows 10 1607 by Microsoft
Windows 10 1607 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 21h2 by Microsoft
Windows 10 22h2 by Microsoft
Windows 11 21h2 by Microsoft
Windows 11 22h2 by Microsoft
Windows 11 23h2 by Microsoft
⚠️ Risk & Real-World Impact
Worst Case
Attackers could spoof legitimate websites to steal credentials, financial information, or deliver malware through convincing phishing attacks.
Likely Case
Phishing campaigns that appear more legitimate, increasing success rates for credential theft or malware delivery.
If Mitigated
Limited impact with proper user education, browser security settings, and network filtering in place.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious website or opening malicious document).
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: July 2024 security updates
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38112
Restart Required: Yes
Instructions:
1. Apply July 2024 Windows security updates via Windows Update. 2. For enterprise: Deploy through WSUS or Microsoft Endpoint Configuration Manager. 3. Verify updates are installed and system restarted.
🔧 Temporary Workarounds
Disable Internet Explorer
windowsDisable Internet Explorer via Group Policy or Windows Features to reduce attack surface
Disable-WindowsOptionalFeature -Online -FeatureName Internet-Explorer-Optional-amd64
Configure Enhanced Security Configuration
windowsEnable Internet Explorer Enhanced Security Configuration for higher security settings
🧯 If You Can't Patch
- Implement web content filtering to block malicious sites
- Educate users about phishing risks and safe browsing practices
🔍 How to Verify
Check if Vulnerable:
Check if July 2024 Windows security updates are not installed via 'systeminfo' command or Windows Update historyCheck Version:
systeminfo | findstr /B /C:"OS Name" /C:"OS Version"Verify Fix Applied:
Verify KB5034441 (Windows 10) or KB5034440 (Windows 11) is installed in Windows Update history📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts following suspicious web browsing
- Unusual process spawning from Internet Explorer or MSHTML-hosted applications
Network Indicators:
- Connections to known malicious domains from affected systems
- Unusual outbound web traffic patterns
SIEM Query:
source="windows-security" EventCode=4688 | search "iexplore.exe" OR "mshtml.dll" | stats count by host