Oracle VM VirtualBox 7.2.8 VMSVGA Device improper authorization

Summaryinfo

A vulnerability was found in Oracle VM VirtualBox 7.2.8. It has been rated as critical. This affects an unknown function of the component VMSVGA Device. The manipulation leads to improper authorization. This vulnerability is traded as CVE-2026-46877. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Oracle VM VirtualBox 7.2.8. This issue affects an unknown function 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. The summary by CVE is:

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 access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).

It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2026-46877 since 05/18/2026. The exploitation is known to be easy. Attacking locally is a requirement. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

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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