cve-2026-73964

LOW CVSS 2.7 nvd
Description

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32 and 21.3-21.23. Easily exploitable vulnerability allows high privileged attacker having Query Optimizer privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).

Timeline
Published
2026-10-20
Last Modified
2026-10-27
CVSS Details
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
Affected Products

No product information available.

Weaknesses (CWE)
CWE-200
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 2.7 LOW CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N 1.2 1.4 secalert_us@oracle.com
NVD metadata
NVD status
Awaiting Analysis
Source identifier
secalert_us@oracle.com
References
Linked Vulnerabilities
cpuoct2026csaf csaf_oracle 

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  "datePublished": "2026-10-20T22:19:49.977",
  "dateUpdated": "2026-10-27T13:17:00.350",
  "description": "Vulnerability in the RDBMS component of Oracle Database Server.  Supported versions that are affected are 19.3-19.32 and  21.3-21.23. Easily exploitable vulnerability allows high privileged attacker having Query Optimizer privilege with network access via Oracle Net to compromise RDBMS.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).",
  "id": "CVE-2026-73964",
  "raw": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Oracle Database Server",
            "vendor": "Oracle Corporation",
            "versions": [
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                "lessThanOrEqual": "19.32",
                "status": "affected",
                "version": "19.3",
                "versionType": "custom"
              },
              {
                "lessThanOrEqual": "21.23",
                "status": "affected",
                "version": "21.3",
                "versionType": "custom"
              }
            ]
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        ],
        "source": "secalert_us@oracle.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in the RDBMS component of Oracle Database Server.  Supported versions that are affected are 19.3-19.32 and  21.3-21.23. Easily exploitable vulnerability allows high privileged attacker having Query Optimizer privilege with network access via Oracle Net to compromise RDBMS.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N)."
      }
    ],
    "id": "CVE-2026-73964",
    "lastModified": "2026-10-27T13:17:00.350",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 2.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.2,
          "impactScore": 1.4,
          "source": "secalert_us@oracle.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73964",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-27T12:32:27.494785Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-20T22:19:49.977",
    "references": [
      {
        "source": "secalert_us@oracle.com",
        "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"
      }
    ],
    "sourceIdentifier": "secalert_us@oracle.com",
    "vulnStatus": "Awaiting Analysis",
    "weaknesses": [
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        "description": [
          {
            "lang": "en",
            "value": "CWE-200"
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "severity": "LOW",
  "source": "nvd",
  "title": "Vulnerability in the RDBMS component of Oracle Database Server"
}
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