CVE-2026-21981
No fix known EPSS <1%CVSS 4.6
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are 7.1.14 and 7.2.4. 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle VM VirtualBox. CVSS 3.1 Base Score 4.6 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:L).
Products: Oracle Corporation Oracle VM VirtualBox
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu 16.04 LTS | virtualbox | no fix |
| Ubuntu 18.04 LTS | virtualbox | no fix |
| Ubuntu 20.04 LTS | virtualbox | no fix |
| Ubuntu 22.04 LTS | virtualbox | no fix |
| Ubuntu 24.04 LTS | virtualbox | no fix |
| Ubuntu 25.10 | virtualbox | no fix |
| Ubuntu 26.04 LTS | virtualbox | no fix |
| Ubuntu 26.10 | virtualbox | no fix |