# CVE-2026-87276: Oracle VirtualBox privilege escalation in Core

Source: https://junglewise.ai/threats/cve-2026-87276-oracle-virtualbox-privilege-escalation-in-core  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-87276 · Severity: high · CVSS 7.5 · Published 2026-09-15

Oracle VirtualBox is a virtualization platform that allows organizations to run multiple operating systems on a single physical host. A privilege escalation vulnerability in the Core component could allow a low-privileged user with local system access to take control of VirtualBox and any virtual machines running on it, potentially exposing sensitive business operations and data.

Technologies: [Oracle VirtualBox](https://junglewise.ai/threats/technologies/virtualbox). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-87276 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87276 being exploited in the wild.

**How severe is CVE-2026-87276?** High severity, with a CVSS score of 7.5, published 15 September 2026.

**Which products and versions are affected?** Oracle VirtualBox 7.2.16.

**Is there a fix for CVE-2026-87276?** 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-2026-87276 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-87276?** Check whether you run Oracle VirtualBox or 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 Oracle VirtualBox Core component affecting version 7.2.16. The vulnerability requires local attacker access with low privileges and user interaction from another person, combined with difficult exploitation conditions. The attack vector is local (AV:L) with high complexity (AC:H), and successful exploitation enables complete compromise of the VirtualBox system with scope change (affecting other products). The CVSS 3.1 vector (AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H) reflects impacts to confidentiality, integrity, and availability of the virtualization host and dependent systems.

## Affected products

- Oracle VirtualBox 7.2.16

## Timeline

- 2026-09-15: disclosed

## References

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

## Related threats

- [Oracle VM VirtualBox core privilege escalation via physical network access](https://junglewise.ai/threats/cve-2026-87322-vulnerability-in-the-oracle-vm-virtualbox-product-of-oracle)
- [Oracle VM VirtualBox denial-of-service in Core](https://junglewise.ai/threats/cve-2026-87311-vulnerability-in-the-oracle-vm-virtualbox-product-of-oracle)
- [Oracle VM VirtualBox denial of service in Core](https://junglewise.ai/threats/cve-2026-87303-vulnerability-in-the-oracle-vm-virtualbox-product-of-oracle)
- [Oracle VM VirtualBox privilege escalation in Core](https://junglewise.ai/threats/cve-2026-87301-vulnerability-in-the-oracle-vm-virtualbox-product-of-oracle)
- [Oracle VM VirtualBox privilege escalation in Core component](https://junglewise.ai/threats/cve-2026-101599-vulnerability-in-the-oracle-vm-virtualbox-product-of-oracle)