Local Privilege Escalation Issue in Avast Cleanup Premium by Gen Digital Inc.
CVE-2024-13962

7.8HIGH

Key Information:

Vendor

Avast

Status
Cleanup Premium
Vendor
CVE Published:
9 May 2025

What is CVE-2024-13962?

A local privilege escalation issue has been identified in the TuneupSvc component of Avast Cleanup Premium, allowing local attackers to escalate their privileges and execute arbitrary code. This vulnerability occurs through the creation of a symbolic link, exploiting a TOCTTOU (time-of-check to time-of-use) scenario, specifically on Windows 10 Pro x64 systems. Users are recommended to apply patches and updates immediately to mitigate potential risks.

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Deploy the Patch

Affected Version(s)

CleanUp Premium Windows 24.2.16593.17810

CleanUp Premium Windows 24.3.17165.19178

References

https://www.gendigital.com/us/en/contact-us/security-advi...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Vladislav Berghici of Trend Micro
Zero Day Initiative
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