CVE-2026-21989: High severity Oracle VM VirtualBox vulnerability

Published Jan 20, 2026
·
Updated

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 creation, deletion or modification access to critical data or all Oracle VM VirtualBox accessible data as well as unauthorized access to critical data or complete access to all 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 8.1 (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:L).

Affected Software

3 affected components
Oracle VM VirtualBox>=7.1.14<7.2.4
Oracle VM VirtualBox=7.1.14
Oracle VM VirtualBox=7.2.4

Event History

Jan 20, 2026
CVE Published
via MITRE·09:56 PM
Data Sourced
via MITRE·09:56 PM
DescriptionSeverity
Data Sourced
via NVD·10:16 PM
DescriptionSeverityAffected Software
Feb 19, 58052
Event
via FIRST·02:24 PM

Frequently Asked Questions

1

What is the severity of CVE-2026-21989?

CVE-2026-21989 is classified as an easily exploitable vulnerability that can be exploited by a high privileged attacker.

2

How do I fix CVE-2026-21989?

To remediate CVE-2026-21989, you should upgrade Oracle VM VirtualBox to the latest version, at least version 7.2.5 or higher.

3

Which versions of Oracle VM VirtualBox are affected by CVE-2026-21989?

CVE-2026-21989 affects Oracle VM VirtualBox versions 7.1.14 and 7.2.4.

4

Who is at risk from CVE-2026-21989?

Users of Oracle VM VirtualBox running the affected versions are at risk from CVE-2026-21989.

5

What type of attacks can CVE-2026-21989 enable?

CVE-2026-21989 can enable a high privileged attacker to compromise the Oracle VM VirtualBox environment.

Contact

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