CVE-2026-21988: 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 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

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·10:49 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-21988?

CVE-2026-21988 is classified as a high severity vulnerability.

2

How do I fix CVE-2026-21988?

To fix CVE-2026-21988, upgrade Oracle VM VirtualBox to a version later than 7.2.4.

3

Who is affected by CVE-2026-21988?

Users running Oracle VM VirtualBox versions 7.1.14 and 7.2.4 are affected by CVE-2026-21988.

4

What type of vulnerability is CVE-2026-21988?

CVE-2026-21988 is an easily exploitable vulnerability that allows high privileged attackers to compromise the system.

5

What products are affected by CVE-2026-21988?

Only the Oracle VM VirtualBox product is affected by CVE-2026-21988.

Contact

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