BaseFortify

Publication date: 2026-01-20

Last updated on: 2026-01-29

Assigner: Oracle

Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are 7.1.14 and 7.2.4. Easily exploitable vulnerability allows unauthenticated 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. Note: This vulnerability applies to Windows VMs only. CVSS 3.1 Base Score 7.1 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).

CVSS Scores

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Meta Information

Published

2026-01-20

Last Modified

2026-01-29

Generated

2026-07-06

AI Q&A

2026-01-21

EPSS Evaluated

2026-07-05

NVD

CVE-2026-21986

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	vm_virtualbox	7.1.14
oracle	vm_virtualbox	7.2.4

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-NVD-CWE-noinfo

Attack-Flow Graph

Executive Summary

This vulnerability exists in the Oracle VM VirtualBox product, specifically affecting versions 7.1.14 and 7.2.4 on Windows virtual machines. It allows an unauthenticated attacker who has access to the infrastructure where Oracle VM VirtualBox runs to exploit the system. The attacker can cause the Oracle VM VirtualBox to hang or crash repeatedly, resulting in a denial of service (DoS).

Impact Analysis

The vulnerability can lead to a complete denial of service (DoS) of Oracle VM VirtualBox on Windows VMs, causing the system to hang or crash frequently. This disrupts availability and can affect not only Oracle VM VirtualBox but also other related products due to the scope change.

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