CVE-2025-0065
📋 TL;DR
This vulnerability allows an attacker with local unprivileged access on a Windows system to elevate privileges via argument injection in TeamViewer_service.exe. It affects TeamViewer Clients for Windows prior to version 15.62. Attackers can exploit this to gain SYSTEM-level privileges on compromised machines.
💻 Affected Systems
- TeamViewer Client for Windows
⚠️ 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
Attacker gains full SYSTEM privileges on the compromised Windows machine, enabling complete control, data theft, lateral movement, and persistence establishment.
Likely Case
Local attacker escalates from standard user to administrator/SYSTEM privileges to install malware, steal credentials, or disable security controls.
If Mitigated
With proper access controls and monitoring, exploitation would be detected and contained before significant damage occurs.
🎯 Exploit Status
Requires local access and some technical knowledge to craft argument injection payloads.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 15.62 or later
Vendor Advisory: https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1001/
Restart Required: No
Instructions:
1. Open TeamViewer. 2. Go to Help > Check for new version. 3. Follow prompts to update to version 15.62 or later. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Restrict local user access
WindowsLimit local user accounts on systems running TeamViewer to reduce attack surface
Remove TeamViewer from non-essential systems
WindowsUninstall TeamViewer from systems where remote access is not required
Control Panel > Programs > Uninstall TeamViewer
🧯 If You Can't Patch
- Implement strict least privilege access controls on all Windows systems
- Monitor for privilege escalation attempts and unusual TeamViewer_service.exe activity
🔍 How to Verify
Check if Vulnerable:
Check TeamViewer version in Help > About. If version is below 15.62, system is vulnerable.Check Version:
wmic product where name="TeamViewer" get versionVerify Fix Applied:
Confirm TeamViewer version is 15.62 or higher in Help > About.📡 Detection & Monitoring
Log Indicators:
- Unusual TeamViewer_service.exe process creation with unexpected arguments
- Privilege escalation events in Windows Security logs
Network Indicators:
- None - this is a local privilege escalation vulnerability
SIEM Query:
Process Creation where Image contains "TeamViewer_service.exe" and CommandLine contains unusual arguments