CVE-2026-24071

7.8 HIGH

📋 TL;DR

This vulnerability allows attackers to bypass code signature verification in Native Access's XPC service on macOS through PID reuse attacks. An attacker could execute arbitrary code with elevated privileges by exploiting the insecure PID-based verification. This affects macOS users running Native Access software.

💻 Affected Systems

Products:
  • Native Instruments Native Access
Versions: Versions prior to the security patch
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Requires Native Access to be installed and the XPC service to be running.

⚠️ Risk & Real-World Impact

🔴

Worst Case

Privilege escalation leading to full system compromise, installation of persistent malware, or data theft.

🟠

Likely Case

Local privilege escalation allowing attackers to gain elevated privileges and execute arbitrary code.

🟢

If Mitigated

Limited impact if proper application sandboxing and privilege separation are implemented.

🌐 Internet-Facing: LOW - This is a local privilege escalation vulnerability requiring local access.
🏢 Internal Only: MEDIUM - Internal attackers with local access could exploit this for privilege escalation.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires local access and knowledge of PID reuse techniques.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Native Instruments security advisory for specific version

Vendor Advisory: https://www.native-instruments.com/en/support/security-updates/

Restart Required: Yes

Instructions:

1. Open Native Access application
2. Check for updates in application settings
3. Install available updates
4. Restart the application and system if prompted

🔧 Temporary Workarounds

Disable Native Access XPC Service

all

Temporarily disable the vulnerable XPC service

sudo launchctl unload /Library/LaunchDaemons/com.native-instruments.NativeAccess.Helper.plist

🧯 If You Can't Patch

  • Restrict local access to systems running Native Access
  • Implement application whitelisting to prevent unauthorized process execution

🔍 How to Verify

Check if Vulnerable:

Check Native Access version and compare against patched version in vendor advisory

Check Version:

Check Native Access 'About' section in application or consult vendor documentation

Verify Fix Applied:

Verify Native Access is updated to latest version and XPC service uses proper code signature verification

📡 Detection & Monitoring

Log Indicators:

  • Unusual XPC connection attempts to Native Access helper
  • Process injection attempts

Network Indicators:

  • Local inter-process communication anomalies

SIEM Query:

Process creation events related to Native Access helper with unusual parent processes

🔗 References

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