7.8

CVE-2024-13962: avast cleanup_premium Link Following

CVSS: 7.8v3.1HighDeferred
Published 09-05-2025Last modified 09-05-2025
Open JSON

Vulnerability summary

CVE-2024-13962 is a high (CVSS 7.8) Link Following vulnerability in avast cleanup_premium. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-05-2025
    PublishedVulnerability first disclosed.
  2. 09-05-2025
    Last modifiedVulnerability information updated.

Description

Link Following Local Privilege Escalation Vulnerability in TuneupSvc in Gen Digital Inc. Avast Cleanup Premium Version 24.2.16593.17810 on Windows 10 Pro x64 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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

+0.01 pp

From 0.22% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Avast1 product

1 vendor · 1 product

References

1 links