CVE-2024-13960: Avg Tuneup

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Link Following Local Privilege Escalation Vulnerability in TuneUp Service in AVG TuneUp Version 23.4 (build 15592) on Windows 10 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.

Affected products

• Avg Tuneup: version 23.4 only

Published 2025-05-09. Last modified 2026-06-17.