# CVE-2026-83347

## Summary

- **CVE ID:** CVE-2026-83347
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
- **CWE:** N/A
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## Description

Vulnerability in the Oracle Net Services component of Oracle Database Server.  Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Net Services.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 6.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).

## Affected Products

- Oracle Corporation — Oracle Database Server (23.4.0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.36%
- **EPSS Percentile:** 29.1

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