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.
CVE ID: CVE-2024-13960
CVSS Base Severity: HIGH
CVSS Base Score: 7.8
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor: AVG
Product: TuneUp
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 2.23% (scored less or equal to compared to others)
EPSS Date: 2025-06-07 (when was this score calculated)