CVE-2025-38738
📋 TL;DR
This vulnerability allows a low-privileged local attacker to gain elevated privileges through the Dell SupportAssist installer. It affects users running SupportAssist for Home PCs versions 4.8.2.29006 and earlier. The attacker needs local access to the system to exploit this privilege escalation flaw.
💻 Affected Systems
- Dell SupportAssist for Home PCs
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker gains full administrative control over the system, allowing installation of malware, data theft, or complete system compromise.
Likely Case
Local user or malware with limited privileges escalates to administrator rights to persist on the system or bypass security controls.
If Mitigated
With proper user privilege separation and endpoint protection, exploitation attempts are detected and blocked before privilege escalation occurs.
🎯 Exploit Status
Requires local access and some technical knowledge of privilege escalation techniques. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 4.8.3 or later
Restart Required: No
Instructions:
1. Open Dell SupportAssist application. 2. Check for updates in settings. 3. Install available updates. 4. Alternatively, download latest version from Dell's official website.
🔧 Temporary Workarounds
Remove vulnerable software
WindowsUninstall Dell SupportAssist for Home PCs if not required
Control Panel > Programs > Uninstall a program > Select 'Dell SupportAssist' > Uninstall
🧯 If You Can't Patch
- Implement least privilege principle - ensure users operate with minimal necessary permissions
- Deploy endpoint detection and response (EDR) solutions to monitor for privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check SupportAssist version in application settings or via 'Programs and Features' in Control PanelCheck Version:
wmic product where name='Dell SupportAssist' get versionVerify Fix Applied:
Verify version is 4.8.3 or higher in application settings📡 Detection & Monitoring
Log Indicators:
- Windows Event Logs showing unexpected privilege escalation
- Process creation events with unexpected parent-child relationships involving SupportAssist
Network Indicators:
- None - local privilege escalation only
SIEM Query:
EventID=4688 AND ProcessName LIKE '%SupportAssist%' AND NewProcessName LIKE '%cmd.exe%' OR NewProcessName LIKE '%powershell.exe%'