FKIE_CVE-2026-21986

Vulnerability from fkie_nvd - Published: 2026-01-20 22:16 - Updated: 2026-01-29 14:39
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
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 unauthenticated 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows VMs only. CVSS 3.1 Base Score 7.1 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
References
secalert_us@oracle.comhttps://www.oracle.com/security-alerts/cpujan2026.htmlVendor Advisory
Impacted products
Vendor Product Version
oracle vm_virtualbox 7.1.14
oracle vm_virtualbox 7.2.4
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:vm_virtualbox:7.1.14:*:*:*:*:*:*:*",
              "matchCriteriaId": "723CD90A-7213-4B3C-B969-C6D7110CAF46",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:vm_virtualbox:7.2.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "44ABFABE-8FFC-48CF-B627-4241CAD563B6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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 unauthenticated 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows VMs only. CVSS 3.1 Base Score 7.1 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el producto Oracle VM VirtualBox de Oracle Virtualization (componente: Core). Versiones compatibles que est\u00e1n afectadas son 7.1.14 y 7.2.4. Vulnerabilidad f\u00e1cilmente explotable permite a un atacante no autenticado con inicio de sesi\u00f3n en la infraestructura donde se ejecuta Oracle VM VirtualBox comprometer Oracle VM VirtualBox. Aunque la vulnerabilidad est\u00e1 en Oracle VM VirtualBox, los ataques pueden impactar significativamente productos adicionales (cambio de alcance). Ataques exitosos de esta vulnerabilidad pueden resultar en la capacidad no autorizada de causar un bloqueo o un fallo repetible con frecuencia (DoS completo) de Oracle VM VirtualBox. Nota: Esta vulnerabilidad se aplica solo a las m\u00e1quinas virtuales de Windows. Puntuaci\u00f3n Base CVSS 3.1 7.1 (impactos en la disponibilidad). Vector CVSS: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)."
    }
  ],
  "id": "CVE-2026-21986",
  "lastModified": "2026-01-29T14:39:59.450",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 4.0,
        "source": "secalert_us@oracle.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-01-20T22:16:02.120",
  "references": [
    {
      "source": "secalert_us@oracle.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpujan2026.html"
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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