CVE-2026-47044

Analyzed Analyzed - Analysis Complete

Denial of Service in Oracle VM VirtualBox

Publication date: 2026-07-21

Last updated on: 2026-07-27

Assigner: Oracle

Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.12. Easily exploitable vulnerability allows low 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 5.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

CVSS Scores

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Meta Information

Published

2026-07-21

Last Modified

2026-07-27

Generated

2026-08-11

AI Q&A

2026-07-22

EPSS Evaluated

2026-08-09

NVD

CVE-2026-47044

EUVD

EUVD-2026-46530

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	vm_virtualbox	7.2.12

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle VM VirtualBox version 7.2.12. It allows a low-privileged attacker with local access to cause the software to hang or crash repeatedly, resulting in a denial of service (complete system outage). The attack requires only logon access to the system running VirtualBox.

Detection Guidance

Detection of CVE-2026-47044 requires checking the installed version of Oracle VM VirtualBox. If the version is 7.2.12, the system is vulnerable. No specific commands are provided in the context to detect exploitation attempts.

Impact Analysis

If you use Oracle VM VirtualBox 7.2.12, an attacker with local access could disrupt your virtual machines by causing them to crash or become unresponsive. This could lead to loss of work, downtime, or inability to use virtualized services.

Compliance Impact

This vulnerability causes denial-of-service (DOS) conditions in Oracle VM VirtualBox, leading to system unavailability. Such disruptions could impact compliance with GDPR (data processing availability) and HIPAA (system reliability for protected health information).

Mitigation Strategies

Update Oracle VM VirtualBox to a version that is not affected by this vulnerability. Since the affected version is 7.2.12, check for and apply any available patches or newer releases from Oracle.

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