CVE-2026-21956

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

High ยท published January 20, 2026

CVSS v3.1
8.2
EPSS
0%
Percentile
22.3
In the wild
Unconfirmed
What it is

โšก A high-privilege attacker can waltz right in and take over your Oracle VM VirtualBox with ease! ๐Ÿคฏ Think of it like someone gaining the keys to the control room of a theme park โ€” they can change rides, access everything, and disrupt the fun for everyone! ๐ŸŽข If this vulnerability is exploited, the attacker could seize full control of your Oracle VM VirtualBox, potentially leading to cascading impacts across other connected systems. This means they could manipulate sensitive data or disrupt services, causing chaos and downtime that could feel absolutely devastating! ๐Ÿšจ

Put simply

Think of it like someone gaining the keys to the control room of a theme park โ€” they can change rides, access everything, and disrupt the fun for everyone! ๐ŸŽข This vulnerability in Oracle VM VirtualBox allows an attacker with logon access to exploit weaknesses within the core, leading to unauthorized control over the virtualization environment. Essentially, they're able to bypass protections that should keep them from messing around in the system.

What to do

If this vulnerability is exploited, the attacker could seize full control of your Oracle VM VirtualBox, potentially leading to cascading impacts across other connected systems. This means they could manipulate sensitive data or disrupt services, causing chaos and downtime that could feel absolutely devastating! ๐Ÿšจ Patch immediately to the latest versions: 7.1.15 or 7.2.5, and ensure that only trusted users have logon access to the infrastructure running Oracle VM VirtualBox. Regularly audit user permissions to prevent unauthorized access. ๐Ÿ›ก๏ธ You've got this! Stay proactive, follow these steps, and you'll keep your virtualization environment safe and sound! ๐ŸŒŸ

The record
Technical detail
CVSS v3.1
8.2 ยท HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00307 ยท 22.3th 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