CVE-2026-21983

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{}

{"analysis": {"en": {"generated_at": "2026-04-18T04:22:32.187384+00:00", "value": {"mitigation_remediation": ["Upgrade Oracle VM VirtualBox to a version that contains the security fix for this privilege\u2011escalation flaw.", "Limit local user accounts to the minimum required privileges and apply least\u2011privilege principles to reduce the attack surface.", "Monitor host system logs for anomalous activity that may indicate exploitation attempts or unauthorized changes to VirtualBox processes."], "summary": {"action": "Patch", "impact": "Privileged Access Escalation"}, "threat_synthesis": {"affected_systems": "Oracle Corporation\u2019s Oracle VM VirtualBox versions 7.1.14 and 7.2.4 are impacted. The vulnerability is identified in the core component and may influence the operation or security of other Oracle Virtualization products that rely on VirtualBox.", "description_and_impact": "The vulnerability affects the core component of Oracle VM VirtualBox and allows a high\u2011privileged local attacker who already has logon access to the infrastructure to compromise the VirtualBox process. Successful exploitation leads to full takeover of the VirtualBox installation, affecting confidentiality, integrity, and availability of the virtualized environment. The weakness is a privilege\u2011management flaw that can grant attacker the same or higher privileges than the compromised VirtualBox process.", "risk_and_exploitability": "The CVSS v3.1 base score of 7.5 reflects a moderate\u2011to\u2011high severity, with local access (AV:L), high effort (AC:H), and high privileges (PR:H) required for exploitation. The EPSS score of less than 1 percent indicates that exploitation is relatively unlikely at the time of analysis. Because the threat requires local high\u2011privileged access, the risk for an unprivileged attacker is low, but inside organizations with local administrative users the possible impact is significant and can compromise additional products via the VirtualBox scope change."}}}}, "created": "2026-04-18T04:30:35.825942+00:00", "title": "Privileged Access Escalation in Oracle VM VirtualBox 7.1.14/7.2.4", "updated": "2026-04-18T04:30:35.825955+00:00", "vendors": []}