CVE-2026-71140 Missing authorization in Oracle VM VirtualBox

Low 3.4 Published 18 Aug 2026 Updated 19 Aug 2026

A high-privileged local attacker can bypass authorization controls to read and modify VirtualBox data.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-71140?

CVE-2026-71140 is a low-severity missing authorization vulnerability in Oracle Vm Virtualbox, published on 18 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.14. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle VM VirtualBox accessible data as well as unauthorized read access to a subset of Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 3.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-71140?

It affects 1 product.

Products include Oracle Vm Virtualbox.

How do I fix CVE-2026-71140?

No fix has been published for CVE-2026-71140 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-71140 being exploited?

There is no known exploitation of CVE-2026-71140 in the wild and no public exploit code.

All Oracle Vm Virtualbox vulnerabilities

Sources

Also known as GHSA-c2j3-hh68-69r9, UBUNTU-CVE-2026-71140.