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Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). (CVE-2026-71126)

0
Medium
VulnerabilityCVE-2026-71126gcveosvubuntu-cve-2026-71126cve-2026-71126ubuntu-16-04-ltsubuntu-18-04-ltsubuntu-20-04-ltsubuntu-22-04-ltsubuntu-24-04-ltsubuntu-26-04-lts
Published: 08/20/2026 (08/20/2026, 00:00:00 UTC)
Source: GCVE Database
Product: virtualbox

Description

A vulnerability exists in Oracle VM VirtualBox (component: Core) affecting version 7.2.14. It allows a low privileged attacker with logon access to the host infrastructure to potentially compromise Oracle VM VirtualBox, resulting in full takeover. The vulnerability has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. The vulnerability is difficult to exploit and requires high attack complexity and low privileges. No known exploits in the wild have been reported. Oracle recommends applying security patches promptly as part of their Critical Security Patch Update program.

CVSS v3.1

Score 7.8high

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected software

Ubuntu:16.04:LTSmore threats →ghsa
virtualbox
pkg:deb/ubuntu/virtualbox?arch=source&distro=xenial
Affected versions
=5.0.4-dfsg-2=5.0.8-dfsg-1=5.0.10-dfsg-1=5.0.10-dfsg-2=5.0.10-dfsg-3=5.0.10-dfsg-4=5.0.10-dfsg-5=5.0.10-dfsg-6=5.0.10-dfsg-7=5.0.12-dfsg-1=5.0.12-dfsg-2=5.0.14-dfsg-1=5.0.14-dfsg-2=5.0.14-dfsg-2build1=5.0.16-dfsg-2=5.0.16-dfsg-3=5.0.18-dfsg-1=5.0.18-dfsg-1ubuntu1=5.0.18-dfsg-2=5.0.18-dfsg-2build1=5.0.18-dfsg-2ubuntu1=5.0.24-dfsg-0ubuntu1.16.04.1=5.0.32-dfsg-0ubuntu1.16.04.2=5.0.36-dfsg-0ubuntu1.16.04.2=5.0.40-dfsg-0ubuntu1.16.04.1=5.0.40-dfsg-0ubuntu1.16.04.2=5.1.34-dfsg-0ubuntu1.16.04.2=5.1.38-dfsg-0ubuntu1.16.04.1=5.1.38-dfsg-0ubuntu1.16.04.2=5.1.38-dfsg-0ubuntu1.16.04.3
Ubuntu:18.04:LTSmore threats →ghsa
virtualbox
pkg:deb/ubuntu/virtualbox?arch=source&distro=bionic
Affected versions
=5.1.30-dfsg-1=5.2.0-dfsg-1build2=5.2.0-dfsg-2=5.2.0-dfsg-4=5.2.0-dfsg-5=5.2.2-dfsg-2=5.2.2-dfsg-3~build1=5.2.2-dfsg-3=5.2.4-dfsg-1=5.2.4-dfsg-2=5.2.6-dfsg-1=5.2.6-dfsg-2=5.2.6-dfsg-3=5.2.6-dfsg-3build1=5.2.6-dfsg-5=5.2.8-dfsg-2=5.2.8-dfsg-3=5.2.8-dfsg-5=5.2.8-dfsg-6=5.2.8-dfsg-7=5.2.10-dfsg-1=5.2.10-dfsg-2=5.2.10-dfsg-5=5.2.10-dfsg-6=5.2.10-dfsg-6ubuntu18.04.1=5.2.18-dfsg-2~ubuntu18.04.1=5.2.18-dfsg-2~ubuntu18.04.3=5.2.18-dfsg-2~ubuntu18.04.5=5.2.32-dfsg-0~ubuntu18.04.1=5.2.34-dfsg-0~ubuntu18.04.1=5.2.42-dfsg-0~ubuntu1.18.04.1
Ubuntu:20.04:LTSmore threats →ghsa
virtualbox
pkg:deb/ubuntu/virtualbox?arch=source&distro=focal
Affected versions
=6.0.14-dfsg-1=6.0.14-dfsg-2~build1=6.0.14-dfsg-2=6.1.0-dfsg-3build1=6.1.0-dfsg-3build2=6.1.2-dfsg-1=6.1.2-dfsg-1build1=6.1.4-dfsg-1=6.1.4-dfsg-2~build1=6.1.4-dfsg-2=6.1.4-dfsg-4=6.1.6-dfsg-1=6.1.10-dfsg-1~ubuntu1.20.04.1=6.1.16-dfsg-6~ubuntu1.20.04.1=6.1.16-dfsg-6~ubuntu1.20.04.2=6.1.22-dfsg-2~ubuntu1.20.04.1=6.1.26-dfsg-3~ubuntu1.20.04.1=6.1.26-dfsg-3~ubuntu1.20.04.2=6.1.32-dfsg-1~ubuntu1.20.04.1=6.1.34-dfsg-3~ubuntu1.20.04.1=6.1.38-dfsg-3~ubuntu1.20.04.1=6.1.48-dfsg-1~ubuntu1.20.04.1=6.1.50-dfsg-1~ubuntu1.20.04.1
Ubuntu:22.04:LTSmore threats →ghsa
virtualbox
pkg:deb/ubuntu/virtualbox?arch=source&distro=jammy
Affected versions
=6.1.26-dfsg-4=6.1.28-dfsg-1=6.1.30-dfsg-1=6.1.32-dfsg-1=6.1.32-dfsg-1build1=6.1.34-dfsg-3~ubuntu1.22.04.1=6.1.38-dfsg-3~ubuntu1.22.04.1=6.1.48-dfsg-1~ubuntu1.22.04.1=6.1.50-dfsg-1~ubuntu1.22.04.1=6.1.50-dfsg-1~ubuntu1.22.04.3
Ubuntu:24.04:LTSmore threats →ghsa
virtualbox
pkg:deb/ubuntu/virtualbox?arch=source&distro=noble
Affected versions
=7.0.10-dfsg-3=7.0.12-dfsg-1=7.0.12-dfsg-1build1=7.0.14-dfsg-1=7.0.14-dfsg-2=7.0.14-dfsg-4=7.0.14-dfsg-4build4=7.0.14-dfsg-4build5=7.0.16-dfsg-1=7.0.16-dfsg-2=7.0.16-dfsg-2ubuntu1=7.0.16-dfsg-2ubuntu1.1=7.0.16-dfsg-2ubuntu1.3
Ubuntu:26.04:LTSmore threats →ghsa
virtualbox
pkg:deb/ubuntu/virtualbox?arch=source&distro=resolute
Affected versions
=7.2.2-dfsg-2=7.2.2-dfsg-3=7.2.4-dfsg-1=7.2.4-dfsg-1build1=7.2.4-dfsg-2~build1=7.2.4-dfsg-3=7.2.6-dfsg-3=7.2.6-dfsg-3ubuntu1=7.2.6-dfsg-3.2=7.2.6-dfsg-4

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/20/2026, 15:18:21 UTC

Technical Analysis

CVE-2026-71126 is a vulnerability in the core component of Oracle VM VirtualBox version 7.2.14. It allows a low privileged attacker who has logged on to the host infrastructure where VirtualBox runs to compromise the VirtualBox software. The vulnerability has a CVSS 3.1 score of 7.8 with vector AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H, indicating local attack vector, high attack complexity, low privileges required, no user interaction, scope change, and high impact on confidentiality, integrity, and availability. Successful exploitation can lead to full takeover of Oracle VM VirtualBox. The vulnerability may also affect other products due to scope change. There are no known exploits in the wild. Oracle's August 2026 Critical Security Patch Update advisory includes this vulnerability and strongly recommends applying patches without delay.

Potential Impact

Successful exploitation of this vulnerability can result in complete takeover of Oracle VM VirtualBox, impacting confidentiality, integrity, and availability of the affected system. The attack requires local access with low privileges and has high attack complexity. The vulnerability also has scope change, meaning it may affect additional products beyond VirtualBox. No known active exploitation has been reported.

Mitigation Recommendations

Oracle has released security patches as part of its August 2026 Critical Security Patch Update. Customers are strongly advised to remain on actively supported versions and apply the available patches promptly to mitigate this vulnerability. No alternative mitigations or workarounds are specified. Patch status is confirmed by Oracle's advisory.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-71126
Osv Schema Version
1.7.0
Aliases
[]
Ecosystems
["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
Database Specific Severity
null
Cvss Version
3.1

Threat ID: 6a870a95acd9273b49b5a544

Added to database: 08/20/2026, 14:09:25 UTC

Last enriched: 08/20/2026, 15:18:21 UTC

Last updated: 08/21/2026, 03:51:58 UTC

Views: 4

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