CVE-2024-49110
📋 TL;DR
This vulnerability in the Windows Mobile Broadband Driver allows an authenticated attacker to execute arbitrary code with elevated SYSTEM privileges. It affects Windows systems with mobile broadband hardware or drivers installed. Attackers need local access to exploit this privilege escalation flaw.
💻 Affected Systems
- Windows Mobile Broadband Driver
📦 What is this software?
Windows 10 1809 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 21h2 by Microsoft
Windows 10 22h2 by Microsoft
Windows 11 22h2 by Microsoft
Windows 11 23h2 by Microsoft
Windows 11 24h2 by Microsoft
⚠️ Risk & Real-World Impact
Worst Case
An attacker gains full SYSTEM privileges on the compromised system, enabling complete control, data theft, persistence establishment, and lateral movement across the network.
Likely Case
Local authenticated attackers escalate privileges from standard user to SYSTEM, allowing them to install malware, modify system configurations, or access protected resources.
If Mitigated
With proper access controls and endpoint protection, exploitation attempts are detected and blocked, limiting impact to isolated systems.
🎯 Exploit Status
Requires local authenticated access and knowledge of driver exploitation techniques. No public exploits available as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Microsoft's monthly security updates for specific KB numbers
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49110
Restart Required: Yes
Instructions:
1. Apply latest Windows security updates via Windows Update. 2. For enterprise: Deploy patches through WSUS, SCCM, or Intune. 3. Verify installation via 'winver' command showing updated build number.
🔧 Temporary Workarounds
Disable Mobile Broadband Interface
windowsDisable mobile broadband hardware if not required, reducing attack surface
Disable via Device Manager: devmgmt.msc > Network adapters > Right-click mobile broadband device > Disable device
🧯 If You Can't Patch
- Restrict local user access to systems with mobile broadband hardware
- Implement application control policies to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check if mobile broadband drivers are installed via Device Manager or 'pnputil /enum-devices' commandCheck Version:
winverVerify Fix Applied:
Verify Windows Update history shows security update installed and system build number matches patched version📡 Detection & Monitoring
Log Indicators:
- Event ID 4688 with privileged process creation from non-admin users
- Driver loading events for mobile broadband components
Network Indicators:
- Unusual outbound connections from systems with mobile broadband hardware
SIEM Query:
EventID=4688 AND NewProcessName="*" AND SubjectUserName!="SYSTEM" AND TokenElevationType="%%1938"