Oracle VM VirtualBox 7.2.8 VMSVGA Device improper authorization

Summaryinfo

A vulnerability described as critical has been identified in Oracle VM VirtualBox 7.2.8. This vulnerability affects unknown code of the component VMSVGA Device. Such manipulation leads to improper authorization. This vulnerability is documented as CVE-2026-46816. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Oracle VM VirtualBox 7.2.8. It has been rated as critical. Affected by this issue is an unknown code block of the component VMSVGA Device. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: VMSVGA device). The supported version that is affected is 7.2.8. 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 read access to a subset of Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 3.2 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N).

The advisory is available at oracle.com. This vulnerability is handled as CVE-2026-46816 since 05/18/2026. The exploitation is known to be easy. Local access is required to approach this attack. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/17/2026). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Virtualization Software

Vendor

• Oracle

Name

• VM VirtualBox

Version

• 7.2.8

License

• open-source (GNU GPLv3)

Website

• Vendor: https://www.oracle.com

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