CVE-2026-21981 MEDIUM

CVE-2026-21981

Vendor Oracle Corporation
Product Oracle VM VirtualBox
Published January 20, 2026
Last update January 21, 2026

CVSS base score

4.6/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:L

What the vulnerability does

01Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are 7.1.14 and 7.2.4. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle VM VirtualBox accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle VM VirtualBox. CVSS 3.1 Base Score 4.6 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:L).

Key dates

02Disclosure timeline

January 20, 2026 CVE published
January 21, 2026 Record updated