CVE-2026-21981: Medium severity Oracle VM VirtualBox vulnerability
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).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21981?
CVE-2026-21981 is considered an easily exploitable vulnerability that allows high privileged attackers to compromise Oracle VM VirtualBox.
How do I fix CVE-2026-21981?
To fix CVE-2026-21981, upgrade your Oracle VM VirtualBox to either version 7.1.15 or 7.2.5 or later.
What versions of Oracle VM VirtualBox are affected by CVE-2026-21981?
The affected versions of Oracle VM VirtualBox for CVE-2026-21981 are 7.1.14 and 7.2.4.
Who can exploit CVE-2026-21981?
CVE-2026-21981 can be exploited by high privileged attackers with logon access to the infrastructure running Oracle VM VirtualBox.
What component of Oracle Virtualization does CVE-2026-21981 affect?
CVE-2026-21981 affects the Core component of the Oracle VM VirtualBox product.