CVE-2026-35249 Missing authorization in Oracle VM VirtualBox

Low 3.2 Published 21 Apr 2026 Updated 22 Apr 2026

A high-privileged local attacker can modify VirtualBox data due to missing authorization checks, impacting integrity.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2026-35249?

CVE-2026-35249 is a low-severity missing authorization vulnerability in Oracle Vm Virtualbox, published on 21 Apr 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 7.2.6. 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. CVSS 3.1 Base Score 3.2 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-35249?

It affects 1 product.

Products include Oracle Vm Virtualbox.

How do I fix CVE-2026-35249?

Apply the vendor's patch.

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

Is CVE-2026-35249 being exploited?

There is no known exploitation of CVE-2026-35249 in the wild and no public exploit code.

All Oracle Vm Virtualbox vulnerabilities

Sources

Also known as GHSA-wv9q-w2v5-wfhp, UBUNTU-CVE-2026-35249.