CVE-2026-21956: High 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 takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21956?
CVE-2026-21956 has been classified as an easily exploitable vulnerability that poses a high risk to Oracle VM VirtualBox installations.
How do I fix CVE-2026-21956?
To remediate CVE-2026-21956, update Oracle VM VirtualBox to the latest version beyond 7.2.4.
Which versions of Oracle VM VirtualBox are affected by CVE-2026-21956?
CVE-2026-21956 affects Oracle VM VirtualBox versions 7.1.14 and 7.2.4.
Can this vulnerability be exploited remotely in CVE-2026-21956?
CVE-2026-21956 requires a high privileged attacker with logon access to the infrastructure where Oracle VM VirtualBox runs, indicating it is not a remote exploitation.
What component of Oracle is affected by CVE-2026-21956?
CVE-2026-21956 affects the Core component of the Oracle VM VirtualBox product.