Core Vulnerability in Oracle VM VirtualBox Affects Oracle Virtualization
CVE-2026-21955

8.2HIGH

Key Information:

Vendor

Oracle
Status
Oracle Vm Virtualbox
Vendor
CVE Published:
20 January 2026

What is CVE-2026-21955?

A vulnerability exists in the Oracle VM VirtualBox product, specifically in the Core component, that allows a high privileged attacker logged into the infrastructure to compromise the platform. This flaw affects supported versions 7.1.14 and 7.2.4. While the vulnerability is localized to Oracle VM VirtualBox, its exploitation can significantly impact adjacent systems due to the breadth of access it grants. Successful exploitation could lead to complete takeover of Oracle VM VirtualBox, thereby posing a serious security risk.

Affected Version(s)

Oracle VM VirtualBox 7.1.14

Oracle VM VirtualBox 7.2.4

References

https://www.oracle.com/security-alerts/cpujan2026.html
vendor-advisory

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.