CVE-2026-83272

Estado: AplazadaAlta (8.5)—

Vulnerability in the Oracle Text component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having Create Index privilege with network access via Oracle Net to compromise Oracle Text. While the vulnerability is in Oracle Text, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Text. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Puntuación base: 8.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.32%
Percentil entre todas las CVEs puntuadas: 23
Fecha de la puntuación: 5/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1068 Exploitation for Privilege Escalationprivilege escalation90 %
Impacto secundarioT1059 Command and Scripting Interpreterexecution75 %

Acceso en red con privilegios locales (PR:L, AV:N) contra servicio remoto Oracle. Compromiso completo (C:H/I:H/A:H) permite escalada a control del sistema Oracle Text.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Threat Intelligence Program Privileged Account Management Execution Prevention Disable or Remove Feature or Program Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Oracle — Database Server^AI Oracle — Text^AI

CWE

CWE-269

Referencias

https://www.oracle.com/security-alerts/cspusep2026.html

JSON original (NVD)

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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-83272",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-09-17T13:00:44.846135Z"
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
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          "privilegesRequired": "LOW",
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        "impactScore": 6,
        "exploitabilityScore": 1.8
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  "affected": [
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      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle Database Server",
          "versions": [
            {
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              "version": "19.3",
              "versionType": "custom",
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            {
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  "published": "2026-09-15T20:18:39.640",
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      "value": "Vulnerability in the Oracle Text component of Oracle Database Server.  Supported versions that are affected are 19.3-19.32, 21.3-21.23 and  23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having Create Index privilege with network access via Oracle Net to compromise Oracle Text.  While the vulnerability is in Oracle Text, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in takeover of Oracle Text. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)."
    }
  ],
  "lastModified": "2026-09-17T14:17:38.890",
  "sourceIdentifier": "secalert_us@oracle.com"
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