ZDI-CAN-28079: ZDI-26-100: Oracle VirtualBox LsiLogic Uninitialized Memory Information Disclosure Vulnerability

Published Feb 13, 2026

Updated

This vulnerability allows local attackers to disclose sensitive information on affected installations of Oracle VirtualBox. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.0. The following CVEs are assigned: CVE-2026-21985.

Affected Software

1 affected component

Oracle VirtualBox

Event History

Feb 13, 2026

Advisory Published

via ZDI·06:00 AM

Data Sourced

via ZDI·06:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-28079?

The severity of ZDI-CAN-28079 is critical, as it allows for potential information disclosure.

How do I fix ZDI-CAN-28079?

To fix ZDI-CAN-28079, update Oracle VirtualBox to the latest version provided by Oracle.

What type of vulnerability is ZDI-CAN-28079?

ZDI-CAN-28079 is classified as an information disclosure vulnerability.

Who is affected by ZDI-CAN-28079?

Users of Oracle VirtualBox with installations that allow high-privileged code execution are affected by ZDI-CAN-28079.

What can attackers do with ZDI-CAN-28079?

Attackers with high-privileged code execution capabilities can exploit ZDI-CAN-28079 to disclose sensitive information.