CVE-2026-87273

Analyzed Analyzed - Analysis Complete

Oracle VM VirtualBox Memory Corruption Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-23

Assigner: Oracle

Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.16. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).

CVSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-23

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-87273

EUVD

EUVD-2026-79925

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	vm_virtualbox	7.2.16

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle VM VirtualBox version 7.2.16. It allows an unauthenticated attacker with local access to compromise the virtualization software. Exploitation requires human interaction from someone other than the attacker and may impact other products. Successful attacks can lead to full takeover of Oracle VM VirtualBox.

Detection Guidance

Detection of CVE-2026-87273 requires checking the installed version of Oracle VM VirtualBox. If your system runs version 7.2.16, it is vulnerable. Use commands like 'VBoxManage --version' or check installed packages via system package managers (e.g., 'dpkg -l | grep virtualbox' for Debian-based systems).

Additionally, monitor for unusual activity in VirtualBox processes or unexpected network connections from the application. No specific commands are provided for exploitation detection as this is a high-risk vulnerability.

Impact Analysis

If you use Oracle VM VirtualBox 7.2.16, an attacker with local access could take control of your virtualization environment. This could allow them to access or modify your virtual machines, steal data, or disrupt operations. The attack requires some interaction from a user, but could have serious consequences.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected versions may face legal penalties, reputational damage, or loss of certification if exploited.

Mitigation Strategies

Update Oracle VM VirtualBox to the latest version that addresses this vulnerability. If updating is not immediately possible, consider disabling the product or restricting access to the infrastructure where it executes until a patch is applied.

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