# CVE-2022-39426: Oracle VM VirtualBox: Missing Authentication for Critical Function

CVE-2022-39426 is fixed in Oracle VirtualBox on 1 platform by Oracle VirtualBox 6.1.40 (version 6.1.40), released October 11, 2014. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-39426
- Priority: High
- CVSS: 8.1
- EPSS: 0.0137
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 18, 2022
- Weakness: CWE-306: Missing Authentication for Critical Function
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-39426

## Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 6.1.40. Difficult to exploit vulnerability allows unauthenticated attacker with network access via VRDP to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/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 | 6.1.40 | [Oracle VirtualBox 6.1.40](https://patchblox.com/security/data/fix/windows-app/oracle.virtualbox-6.1.40.md) | Oct 11, 2014 |

---

Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.