CVE-2026-21986
Unknown Unknown - Not Provided
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).
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Meta Information
Published
2026-01-20
Last Modified
2026-01-29
Generated
2026-06-16
AI Q&A
2026-01-21
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21986
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
oracle vm_virtualbox 7.1.14
oracle vm_virtualbox 7.2.4
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-NVD-CWE-noinfo
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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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