Vulnerability in Oracle VM VirtualBox by Oracle

CVE-2026-21957

What is CVE-2026-21957?

CVE-2026-21957 is a vulnerability found in Oracle VM VirtualBox, a widely utilized virtualization product developed by Oracle. This software enables organizations to run multiple operating systems on a single hardware platform, facilitating diverse development and operational environments. The identified vulnerability, classified as difficult to exploit, affects versions 7.1.14 and 7.2.4. It allows an attacker with legitimate access to the infrastructure where Oracle VM VirtualBox operates to potentially compromise the virtualization platform. This could lead to unauthorized control over VirtualBox, posing significant threats to data confidentiality, integrity, and availability within an organization’s IT ecosystem.

Potential impact of CVE-2026-21957

1. Unauthorized System Control: The vulnerability enables an attacker to take over Oracle VM VirtualBox, potentially allowing them to manipulate and damage virtual machines and associated resources, leading to severe operational disruption.

2. Data Breach Risk: Given the access to sensitive data that can occur through the virtualization platform, an exploit of this vulnerability could result in significant data breaches, with confidential information being exposed or stolen.

3. Wider Impact on Related Products: Although the vulnerability is specific to Oracle VM VirtualBox, its exploitation may have cascading effects, compromising other systems and applications reliant on the virtualization infrastructure, thereby extending the scope of potential damage.

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