# CVE-2026-21982: Oracle VirtualBox: Improper Access Control

CVE-2026-21982 is fixed in Oracle VirtualBox on 1 platform by Oracle VirtualBox 7.2.6 (version 7.2.6), released January 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-21982
- Priority: Routine
- CVSS: 6.4
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 20, 2026
- Weakness: CWE-284: Improper Access Control
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-21982

## Description

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. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox.  Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Oracle VirtualBox | 7.2.6 | [Oracle VirtualBox 7.2.6](https://patchblox.com/security/data/fix/windows-app/oracle.virtualbox-7.2.6.md) | Jan 27, 2026 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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