CVE-2026-71139

Analyzed Analyzed - Analysis Complete

Denial of Service in Oracle VM VirtualBox

Publication date: 2026-08-18

Last updated on: 2026-08-26

Assigner: Oracle

Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.14. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

CVSS Scores

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Meta Information

Published

2026-08-18

Last Modified

2026-08-26

Generated

2026-09-08

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-07

NVD

CVE-2026-71139

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	vm_virtualbox	7.2.14

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 7.2.14. It allows a highly privileged attacker with local access to cause the software to hang or crash repeatedly, leading to a denial of service (DOS). The attack requires logon to the system running VirtualBox.

Detection Guidance

Detection requires checking the installed version of Oracle VM VirtualBox. Compare the version against 7.2.14 to identify if the system is affected. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could disrupt your use of Oracle VM VirtualBox by causing it to become unresponsive or crash frequently. This may lead to loss of access to virtual machines and services running on them.

Compliance Impact

This vulnerability causes denial-of-service (DoS) conditions in Oracle VM VirtualBox, leading to system unavailability. For compliance standards like GDPR or HIPAA, which require data availability and system integrity, such disruptions could violate availability requirements and potentially lead to non-compliance if critical systems are affected.

Mitigation Strategies

Apply the latest security patches or updates from Oracle to upgrade to a non-vulnerable version of Oracle VM VirtualBox. If patches are unavailable, consider disabling or restricting access to the vulnerable component until updates are applied.

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