Privilege Escalation Vulnerability in Oracle VM VirtualBox by Oracle

CVE-2026-21990

What is CVE-2026-21990?

A privilege escalation vulnerability exists in Oracle VM VirtualBox, allowing an authenticated attacker with high privileges to compromise the platform. Affected versions include 7.1.14 and 7.2.4. Exploitation of this vulnerability can lead to unauthorized control over Oracle VM VirtualBox, posing significant risks to not just the host environment but potentially impacting associated connected systems due to the nature of virtualization. To mitigate potential security breaches, prompt action must be taken to apply available updates and harden system defenses against unauthorized access.

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References