# CVE-2026-87279: Oracle VM VirtualBox denial of service in Core component

Source: https://junglewise.ai/threats/cve-2026-87279-oracle-vm-virtualbox-denial-of-service-in-core-component  
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-2026-87279 · Severity: medium · CVSS 6.1 · Published 2026-09-15

Oracle VM VirtualBox is virtualization software that runs virtual machines on enterprise servers. A flaw in its core component allows a low-privileged local user to crash VirtualBox or corrupt data within virtual machines, disrupting operations and potentially causing data loss.

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

## Quick answers

**Is CVE-2026-87279 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87279 being exploited in the wild.

**How severe is CVE-2026-87279?** Medium severity, with a CVSS score of 6.1, published 15 September 2026.

**Which products and versions are affected?** Oracle Vm Virtualbox 7.2.16.

**Is there a fix for CVE-2026-87279?** 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-2026-87279 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-87279?** 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 and integrity/availability vulnerability in the Core component of Oracle VM VirtualBox version 7.2.16. The vulnerability requires local logon access and low privileges; no user interaction is needed. A successful exploit allows an attacker to cause denial of service (hang or crash) of the VirtualBox process and modify accessible data within the virtualized environment. The CVSS 3.1 score of 6.1 reflects medium severity with low integrity and high availability impacts. Patches should be available through Oracle's security updates.

## Affected products

- Oracle VM 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)