CVE-2026-21983

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)

High · published January 20, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
13.0
In the wild
Unconfirmed
What it is

🚨 High-risk alert for Oracle VM VirtualBox users! A tricky vulnerability could let high-privileged attackers compromise your virtual infrastructure. 🔥 Think of Oracle VM VirtualBox as a digital office building where only certain people are allowed to access sensitive areas. If a crafty employee can bypass security measures, they could waltz into the executive suite and wreak havoc without anyone noticing! If exploited, this vulnerability could lead to a hostile takeover of your Oracle VM VirtualBox instance, giving attackers access to sensitive data and the ability to manipulate the entire virtualization environment. This could compromise not just VirtualBox but potentially other dependent systems as well. Scary, right?

Put simply

Think of Oracle VM VirtualBox as a digital office building where only certain people are allowed to access sensitive areas. If a crafty employee can bypass security measures, they could waltz into the executive suite and wreak havoc without anyone noticing! This vulnerability resides in Oracle VM VirtualBox's core, impacting versions 7.1.14 and 7.2.4. While it's considered difficult to exploit, it allows privileged users with logon access to compromise the VirtualBox environment.

What to do

If exploited, this vulnerability could lead to a hostile takeover of your Oracle VM VirtualBox instance, giving attackers access to sensitive data and the ability to manipulate the entire virtualization environment. This could compromise not just VirtualBox but potentially other dependent systems as well. Scary, right? To safeguard your systems, immediately update Oracle VM VirtualBox to the latest stable version. Conduct thorough security audits to ensure no unauthorized access has occurred, and revisit user permissions to limit access where necessary. Don't wait! You’ve got this! Just take these steps and you’ll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00230 · 13.0th percentile
Published
2026-01-20T21:56Z
EPSS history
Timeline
  • 20 JAN 21:56Z
    Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core)
    cvelistv5