# CVE-2026-83021

## Summary

- **CVE ID:** CVE-2026-83021
- **Severity:** CRITICAL
- **CVSS Score:** 10 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 17, 2026

## Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Container).  Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and  14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server.  While the vulnerability is in Oracle WebLogic Server, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

## Affected Products

- Oracle Corporation — Oracle WebLogic Server (12.2.1.4.0)
- Oracle Corporation — Oracle WebLogic Server (14.1.1.0.0)
- Oracle Corporation — Oracle WebLogic Server (14.1.2.0.0)

## References

- [CNA](https://www.oracle.com/security-alerts/cspusep2026.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.45%
- **EPSS Percentile:** 38.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._