CVE-2026-87301

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Denial of Service in Oracle VM VirtualBox

Publication date: 2026-10-20

Last updated on: 2026-10-27

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. Easily exploitable 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 access to critical data or complete access to all Oracle VM VirtualBox accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-10-27

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-87301

EUVD

EUVD-2026-106342

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Oracle VM VirtualBox	7.2.16

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle VM VirtualBox version 7.2.16. A low-privileged attacker with local access can exploit it to compromise the VirtualBox environment. Successful exploitation may lead to unauthorized data access or denial-of-service conditions.

Detection Guidance

Detection of CVE-2026-87301 requires checking the installed version of Oracle VM VirtualBox. If the version is 7.2.16, the system is vulnerable. Use commands like 'VBoxManage --version' on Linux/Windows or check the application version in the GUI to verify.

Impact Analysis

An attacker could gain unauthorized access to sensitive data stored or processed by VirtualBox. They might also cause the software to crash repeatedly, disrupting its functionality.

Compliance Impact

This vulnerability allows unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data, which could lead to unauthorized disclosure of sensitive information. This may violate compliance requirements under GDPR (data protection) and HIPAA (protected health information) if such data is compromised.

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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