CVE-2026-87277

Analyzed Analyzed - Analysis Complete

Denial of Service in Oracle VM VirtualBox

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 network access via RDP 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2026-87277

EUVD

EUVD-2026-79929

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	vm_virtualbox	7.2.16

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 denial-of-service (DoS) vulnerability in Oracle VM VirtualBox version 7.2.16. An unauthenticated attacker can exploit it remotely via RDP to crash the virtualization software repeatedly, causing a complete denial of service.

Detection Guidance

This vulnerability can be detected by checking the version of Oracle VM VirtualBox installed on your system. If you are running version 7.2.16, your system is vulnerable. Use the command 'VBoxManage --version' on Windows or '/usr/bin/VBoxManage --version' on Linux to check the installed version.

Impact Analysis

If you use Oracle VM VirtualBox 7.2.16, an attacker could exploit this flaw to make your virtual machines unresponsive or crash repeatedly, disrupting your operations and causing downtime.

Compliance Impact

This vulnerability causes denial-of-service (DoS) conditions in Oracle VM VirtualBox, leading to system unavailability. For GDPR, this could impact data processing operations requiring continuous availability. For HIPAA, it may disrupt critical healthcare systems dependent on virtualized environments.

Mitigation Strategies

Immediately update Oracle VM VirtualBox to a version that is not affected by this vulnerability. Check Oracle's official website or security advisories for the latest patches. Disable RDP access to VirtualBox instances if not required, as this is the attack vector mentioned in the CVE.

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