CVE-2026-21987: High severity Oracle 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 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·07:23 PM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-21987?

CVE-2026-21987 is considered to be an easily exploitable vulnerability that allows high privileged attackers access to the Oracle VM VirtualBox infrastructure.

2

How do I fix CVE-2026-21987?

To fix CVE-2026-21987, upgrade Oracle VM VirtualBox to version 7.2.5 or later.

3

What versions of Oracle VM VirtualBox are affected by CVE-2026-21987?

CVE-2026-21987 affects Oracle VM VirtualBox versions 7.1.14 and 7.2.4.

4

What component of Oracle VM VirtualBox does CVE-2026-21987 impact?

CVE-2026-21987 impacts the Core component of the Oracle VM VirtualBox product.

5

Who can exploit CVE-2026-21987?

CVE-2026-21987 can be exploited by high privileged attackers who have logged on to the infrastructure where Oracle VM VirtualBox executes.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203