CVE-2026-83390

Status: Awaiting AnalysisMedium (4.2)—

Severity4.2Medium · CVSS 3.1

Exploitation probability0.25 %higher than 16% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

Vulnerability in the Oracle Applications Manager product of Oracle E-Business Suite (component: Diagnostics). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Applications Manager. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Applications Manager accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Applications Manager. CVSS 3.1 Base Score 4.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L).

CVSS

Base score: 4.2
Version: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.25 %
Percentile among all scored CVEs: 16
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.

ExploitationT1210 Exploitation of Remote Serviceslateral movement90 %
Primary impactT1005 Data from Local Systemcollection55 %
Secondary impactT1499 Endpoint Denial of Serviceimpact60 %

El vector AV:N/PR:L/UI:N indica explotación remota por HTTP con privilegios bajos (T1210); el texto cita lectura no autorizada de datos y DoS parcial.

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

Vulnerability Scanning Threat Intelligence Program Privileged Account Management Network Segmentation Filter Network Traffic Disable or Remove Feature or Program

Affected technologies (1)

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

Oracle — E-business Suite^AI

References

Show 1 references

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

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-83390",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.2,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle Applications Manager",
          "versions": [
            {
              "status": "affected",
              "version": "12.2.3",
              "versionType": "custom",
              "lessThanOrEqual": "12.2.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T22:19:55.417",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
      "source": "secalert_us@oracle.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Oracle Applications Manager product of Oracle E-Business Suite (component: Diagnostics).  Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Applications Manager.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Applications Manager accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Applications Manager. CVSS 3.1 Base Score 4.2 (Confidentiality and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L)."
    }
  ],
  "lastModified": "2026-10-21T18:44:19.627",
  "sourceIdentifier": "secalert_us@oracle.com"
}