CVE-2026-21963: Medium 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 unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).

Affected Software

3 affected components
Oracle Oracle VM VirtualBox>=7.1.14<=7.2.4
Oracle VM VirtualBox=7.1.4
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·10:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 19, 58052
Event
via FIRST·02:17 PM

Frequently Asked Questions

1

What is the severity of CVE-2026-21963?

CVE-2026-21963 is categorized as a high severity vulnerability affecting Oracle VM VirtualBox.

2

How do I fix CVE-2026-21963?

To remediate CVE-2026-21963, upgrade Oracle VM VirtualBox to version 7.1.15 or 7.2.5 or later.

3

Who is affected by CVE-2026-21963?

CVE-2026-21963 affects all users of Oracle VM VirtualBox versions 7.1.14 and 7.2.4.

4

What type of vulnerability is CVE-2026-21963?

CVE-2026-21963 is an easily exploitable vulnerability that allows high privileged attackers access to the Oracle VM VirtualBox infrastructure.

5

Can CVE-2026-21963 be exploited remotely?

CVE-2026-21963 requires a high privileged attacker to have logon access to the infrastructure where Oracle VM VirtualBox runs for exploitation.

Contact

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