ZDI-21-1276: (0Day) Bitdefender Total Security Unnecessary Privileges Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Bitdefender Total Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the endpoint client. The issue results from allowing an untrusted process to impersonate the client of a pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

Affected Software

1 affected component
Bitdefender Total Security

Event History

Mar 27, 2025
Advisory Published
via ZDI·11:44 AM
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-21-1276?

The severity of ZDI-21-1276 is classified as a privilege escalation vulnerability.

2

How do I fix ZDI-21-1276?

To fix ZDI-21-1276, ensure that you update Bitdefender Total Security to the latest version.

3

Who is affected by ZDI-21-1276?

Users of Bitdefender Total Security are affected by vulnerability ZDI-21-1276.

4

What type of attack is enabled by ZDI-21-1276?

ZDI-21-1276 allows local attackers to escalate their privileges on the affected system.

5

What prerequisites are needed to exploit ZDI-21-1276?

An attacker must first have the ability to execute low-privileged code on the target system to exploit ZDI-21-1276.

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