CVE-2026-87403

Status: Awaiting AnalysisHigh (7.1)—

Severity7.1High · CVSS 3.1

Exploitation probability0.13 %higher than 3% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

Vulnerability in the Applications DBA product of Oracle E-Business Suite (component: AD Utilities). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Applications DBA executes to compromise Applications DBA. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Applications DBA accessible data as well as unauthorized access to critical data or complete access to all Applications DBA accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

CVSS

Base score: 7.1
Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.13 %
Percentile among all scored CVEs: 3
Score date: 10/22/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1068 Exploitation for Privilege Escalationprivilege escalation90 %
Primary impactT1565 Data Manipulationimpact70 %
Secondary impactT1005 Data from Local Systemcollection60 %

Vector AV:L, UI:N, PR:L: un atacante con privilegios bajos y acceso local escala a Applications DBA; el texto menciona creación, borrado y modificación de datos críticos, y acceso a ellos.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Threat Intelligence Program Restrict File and Directory Permissions Remote Data Storage Network Segmentation Execution Prevention Encrypt Sensitive Information

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Oracle — Applications DBA^AI

CWEs

CWE-284

References

Show 1 references

https://www.oracle.com/security-alerts/cpuoct2026.html

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-87403",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-87403",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-21T14:00:37.115894Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Applications DBA",
          "versions": [
            {
              "status": "affected",
              "version": "12.2.3",
              "versionType": "custom",
              "lessThanOrEqual": "12.2.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T22:20:18.803",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
      "source": "secalert_us@oracle.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
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  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Applications DBA product of Oracle E-Business Suite (component: AD Utilities).  Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Applications DBA executes to compromise Applications DBA.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Applications DBA accessible data as well as  unauthorized access to critical data or complete access to all Applications DBA accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)."
    }
  ],
  "lastModified": "2026-10-21T18:45:11.277",
  "sourceIdentifier": "secalert_us@oracle.com"
}