ZDI-26-640: Oracle VirtualBox VirtioSCSI Uninitialized Memory Information Disclosure Vulnerability
Published Sep 9, 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 5.3. The following CVEs are assigned: CVE-2026-71132.
Affected Software
1 affected component
Oracle VirtualBox VirtioSCSI
Event History
Sep 9, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The attacker must be able to execute high-privileged code on the target guest system. This is a local attack scenario rather than one described as remotely exploitable.
2
What is the potential impact of successful exploitation?
Successful exploitation can disclose sensitive information from an affected Oracle VirtualBox installation. The assigned CVSS rating is 5.3.