CVE-2024-4763
📋 TL;DR
This vulnerability in Lenovo Display Control Center (LDCC) and Lenovo Accessories and Display Manager (LADM) allows a local attacker to exploit an insecure driver to escalate privileges to kernel level. Affected users are those running vulnerable versions of these Lenovo software utilities on Windows systems.
💻 Affected Systems
- Lenovo Display Control Center (LDCC)
- Lenovo Accessories and Display Manager (LADM)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with kernel-level access, enabling installation of persistent malware, credential theft, and bypassing all security controls.
Likely Case
Local privilege escalation allowing attackers to gain administrative privileges, install additional malware, or access sensitive system resources.
If Mitigated
Limited impact if proper access controls and least privilege principles are enforced, though kernel access remains dangerous.
🎯 Exploit Status
Requires local access and some technical knowledge to exploit driver vulnerability for privilege escalation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Lenovo Vantage or System Update for latest versions
Vendor Advisory: https://support.lenovo.com/us/en/product_security/LEN-155486
Restart Required: Yes
Instructions:
1. Open Lenovo Vantage or System Update. 2. Check for available updates. 3. Install all recommended updates. 4. Restart system when prompted.
🔧 Temporary Workarounds
Uninstall vulnerable software
windowsRemove LDCC and LADM if not required for system functionality
Control Panel > Programs > Uninstall a program > Select LDCC/LADM > Uninstall
Restrict local access
allImplement strict access controls and least privilege for user accounts
🧯 If You Can't Patch
- Remove or disable LDCC and LADM software components
- Implement application whitelisting to prevent unauthorized driver loading
🔍 How to Verify
Check if Vulnerable:
Check installed programs in Control Panel for LDCC or LADM versions; compare with patched versions in Lenovo advisoryCheck Version:
wmic product get name,version | findstr /i "Lenovo Display"Verify Fix Applied:
Verify LDCC/LADM version after update matches or exceeds patched version specified in Lenovo advisory📡 Detection & Monitoring
Log Indicators:
- Unexpected driver loading events
- Privilege escalation attempts in security logs
- Suspicious process creation with SYSTEM privileges
Network Indicators:
- Not applicable - local privilege escalation
SIEM Query:
EventID=4688 AND NewProcessName="*\system32\drivers\*" AND SubjectUserName!="SYSTEM"