Oracle VM VirtualBox 7.2.6 Core improper authorization

Summaryinfo

A vulnerability has been found in Oracle VM VirtualBox 7.2.6 and classified as critical. This issue affects some unknown processing of the component Core. Performing a manipulation results in improper authorization. This vulnerability is known as CVE-2026-35249. Attacking locally is a requirement. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oracle VM VirtualBox 7.2.6. This affects an unknown part of the component Core. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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).

The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2026-35249 since 04/01/2026. The exploitability is told to be easy. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/22/2026). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Virtualization Software

Vendor

• Oracle

Name

• VM VirtualBox

Version

• 7.2.6

License

• open-source (GNU GPLv3)

Website

• Vendor: https://www.oracle.com

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