# CVE-2026-83156

## Summary

- **CVE ID:** CVE-2026-83156
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 17, 2026

## Description

Vulnerability in the Oracle XML Developers Kit 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 XDKC privilege with network access via Oracle Net to compromise Oracle XML Developers Kit.  Successful attacks of this vulnerability can result in takeover of Oracle XML Developers Kit. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

## Affected Products

- Oracle Corporation — Oracle Database Server (19.3)
- Oracle Corporation — Oracle Database Server (21.3)
- Oracle Corporation — Oracle Database Server (23.4.0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.29%
- **EPSS Percentile:** 21.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._