Privilege Escalation Vulnerability in Oracle VM VirtualBox by Oracle
CVE-2026-21956

8.2HIGH

Key Information:

Vendor

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

What is CVE-2026-21956?

A vulnerability in Oracle VM VirtualBox allows high-privileged attackers with access to the infrastructure where the application runs to compromise the virtualization platform. This poses a significant risk as successful exploitation could lead to complete takeover of Oracle VM VirtualBox, impacting confidentiality, integrity, and availability of the hosted systems. The vulnerability affects specific supported versions and may have wider implications on other products within the same environment, necessitating immediate attention from users.

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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

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