CVE-2026-71130 in VirtualBox
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via RDP to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data as well as unauthorized update, insert or delete access to some of Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the core component of Oracle VM VirtualBox, specifically affecting version 7.2.14 and potentially other supported releases depending on patch availability. This security flaw is characterized by its high severity, with a CVSS 3.1 base score of 8.2, indicating significant risk to confidentiality and integrity while having no impact on availability according to the provided vector string AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. The vulnerability allows for exploitation by an unauthenticated attacker who possesses network access via the Remote Desktop Protocol (RDP). This specific attack vector suggests that the flaw is triggered through interactions with the RDP service or related subsystems within the VirtualBox environment, enabling remote code execution or privilege escalation without requiring user interaction or prior authentication credentials.
From a technical perspective, this vulnerability likely stems from improper validation of input data or insufficient access controls within the core virtualization engine when processing RDP-related requests. The ability to compromise Oracle VM VirtualBox in this manner implies that an attacker can bypass standard security boundaries established by the hypervisor layer. Such flaws often involve memory corruption issues, such as buffer overflows or use-after-free conditions, which allow for arbitrary code execution within the context of the host system or a privileged guest process. The lack of authentication requirements means that any entity capable of reaching the RDP port on the target machine can attempt to exploit this weakness, significantly expanding the attack surface beyond internal network boundaries if the service is exposed externally.
The operational impact of successfully exploiting this vulnerability is severe and multifaceted. As indicated by the high confidentiality impact in the CVSS score, an attacker gains unauthorized access to critical data stored within or accessible through Oracle VM VirtualBox environments. This could include sensitive configuration files, virtual machine disk images containing proprietary information, user credentials, and other confidential assets hosted on compromised systems. Furthermore, the low integrity impact signifies that attackers can also perform unauthorized updates, inserts, or deletions of data. This capability allows for persistent backdoors, modification of system configurations to maintain access, or destruction of critical data, thereby undermining the trustworthiness and reliability of the virtualized infrastructure.
In terms of industry standard classifications, this vulnerability aligns with CWE-287 Improper Authentication, as it permits unauthenticated access, and potentially CWE-94 Improper Control of Generation of Code (Code Injection) or CWE-119 Memory Buffer Corruption if the root cause involves memory safety violations leading to code execution. From a tactical perspective related to MITRE ATT&CK, this vulnerability facilitates initial access via network services (T1021.001 Remote Desktop Protocol) and enables privilege escalation or lateral movement within the virtualized environment. The exploitation path allows adversaries to establish a foothold in otherwise isolated systems, potentially leading to broader compromise of the host infrastructure if isolation mechanisms fail due to this core flaw.
Mitigation strategies must prioritize immediate patching by Oracle for version 7.2.14 and any other affected versions where patches are available. Organizations should verify their VirtualBox installations against current release notes to ensure they are running a patched build that addresses this specific RDP-related vulnerability. In the interim, if updating is not immediately feasible, network segmentation policies should be enforced to restrict access to RDP ports from untrusted networks or external internet sources. Additionally, implementing strict firewall rules and monitoring for anomalous RDP connection attempts can help detect exploitation activities. Security teams should also review virtual machine configurations to ensure that sensitive data is encrypted at rest and in transit, reducing the impact of potential unauthorized access even if the vulnerability is exploited. Regular audits of system logs related to VirtualBox processes and RDP sessions are recommended to identify any signs of compromise resulting from this or similar vulnerabilities.