CVE-2026-71134 Missing authorization in Oracle VM VirtualBox

Medium 5.7 Published Updated

A high-privileged local attacker can compromise Oracle VM VirtualBox, leading to unauthorized data access, modification, and partial denial of service.

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-2026-71134?

CVE-2026-71134 is a medium-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. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle VM VirtualBox. CVSS 3.1 Base Score 5.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L).

Weakness: CWE-284

Which versions are affected by CVE-2026-71134?

It affects 1 product.

Products include Oracle Vm Virtualbox.

How do I fix CVE-2026-71134?

No fix has been published for CVE-2026-71134 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-2026-71134 being exploited?

There is no known exploitation of CVE-2026-71134 in the wild and no public exploit code.

All Oracle Vm Virtualbox vulnerabilities

Sources

Also known as GHSA-3gjw-9g34-2cwh, UBUNTU-CVE-2026-71134.

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