ZDI-CAN-29388: ZDI-26-271: Avast Premium Security Gen Self Protection Driver Exposed Dangerous Function Local Privilege Escalation Vulnerability

Published Apr 15, 2026
·
Updated

This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-5424.

Affected Software

1 affected component
Avast Avast Premium Security

Event History

Apr 15, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of ZDI-CAN-29388?

The severity of ZDI-CAN-29388 is categorized as high due to its potential for local privilege escalation.

2

How do I fix ZDI-CAN-29388?

To fix ZDI-CAN-29388, users should update their Avast Premium Security software to the latest version provided by the vendor.

3

Who is affected by ZDI-CAN-29388?

ZDI-CAN-29388 affects all installations of Avast Premium Security that have not been patched.

4

What type of attack is ZDI-CAN-29388 associated with?

ZDI-CAN-29388 is associated with local privilege escalation attacks.

5

Can ZDI-CAN-29388 be exploited remotely?

No, ZDI-CAN-29388 requires local access to the system to be exploited.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203