CVE-2026-101598: Oracle VM VirtualBox privilege escalation in Core

CVE-2026-101598 · Severity: high · CVSS 7.8 · Published 2026-10-20

Oracle VM VirtualBox is a virtualization platform that allows users to run multiple operating systems on a single computer. A vulnerability in its core component allows a local attacker with standard user access to gain complete control over VirtualBox and potentially the host system. An attacker could read sensitive data, modify configurations, or disrupt virtual machine operations.

Technologies: Oracle Vm Virtualbox. Vendors: Oracle.

Quick answers

Is CVE-2026-101598 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-101598 being exploited in the wild.
How severe is CVE-2026-101598?
High severity, with a CVSS score of 7.8, published 20 October 2026.
Which products and versions are affected?
Oracle Vm Virtualbox 7.2.20.
Is there a fix for CVE-2026-101598?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-101598 attacked?
It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-101598?
Check whether you run Oracle Vm Virtualbox at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is a local privilege escalation vulnerability in the Core component of Oracle VM VirtualBox 7.2.20. It requires local access and low privileges to exploit. A successful attack results in complete compromise of the VirtualBox instance with high impact to confidentiality, integrity, and availability.

Affected products

  • Oracle VM VirtualBox 7.2.20

Timeline

  • 2026-10-20: disclosed

References

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