CVE-2026-87311

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Denial of Service in Oracle VM VirtualBox

Publication date: 2026-10-20

Last updated on: 2026-10-28

Assigner: Oracle

Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.16. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. CVSS 3.1 Base Score 5.6 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-28

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-87311

EUVD

EUVD-2026-106352

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Oracle VM VirtualBox	7.2.16

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle VM VirtualBox version 7.2.16. It allows a low-privileged attacker with local access to cause a denial of service (DOS) by crashing or hanging the VirtualBox software. The impact is limited to availability, with no unauthorized data access or modification.

Detection Guidance

This CVE affects Oracle VM VirtualBox 7.2.16 and can cause denial of service. Detection involves checking the installed version of VirtualBox and monitoring for crashes or hangs. Use commands like 'VBoxManage --version' to verify the version and 'systemctl status vboxdrv' to check service stability.

Impact Analysis

If you use Oracle VM VirtualBox 7.2.16, an attacker with local access to your system could crash the software repeatedly, making it unusable. This disrupts virtual machine operations and may affect dependent services.

Compliance Impact

This vulnerability causes denial-of-service (DoS) conditions in Oracle VM VirtualBox, leading to system crashes or hangs. While it does not directly impact data confidentiality or integrity, prolonged unavailability of virtualized systems could affect compliance with regulations requiring high availability or timely data access, such as GDPR (data processing timelines) or HIPAA (system availability for healthcare operations).

Mitigation Strategies

Update Oracle VM VirtualBox to a version that is not affected by this vulnerability. Since the affected version is 7.2.16, check for and apply any available patches or newer releases from Oracle.

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