CVE-2026-35248 Missing authorization in Oracle VM VirtualBox
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
- Available
What is CVE-2026-35248?
CVE-2026-35248 is a medium-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. Difficult to exploit 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 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L).
Weakness: CWE-284
Which versions are affected by CVE-2026-35248?
It affects 1 product.
Products include Oracle Vm Virtualbox.
How do I fix CVE-2026-35248?
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-2026-35248 being exploited?
There is no known exploitation of CVE-2026-35248 in the wild and no public exploit code.
Other vulnerabilities in Oracle Vm Virtualbox
- CVE-2016-5605 Unspecified vulnerability in the Oracle VM VirtualBox component before 5.1.4 in Oracle Virtualization allows remote attackers to affect conf
- CVE-2018-3294 Privilege escalation in VM VirtualBox
- CVE-2024-21112 Privilege escalation in VM VirtualBox
- CVE-2024-21113 Privilege escalation in VM VirtualBox
- CVE-2024-21114 Privilege escalation in VM VirtualBox
Sources
Also known as GHSA-98wp-jqw8-cr49, UBUNTU-CVE-2026-35248.