CVE-2026-83160

Received Received - Intake

RDBMS Privilege Escalation in Oracle Database Server

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83160

EUVD

EUVD-2026-79487

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	database_server	From 23.4.0 (inc) to 23.26.3 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in the RDBMS component of Oracle Database Server affecting versions 23.4.0 to 23.26.3. It allows a low-privileged attacker with Create Table privilege to remotely compromise the database via Oracle Net. Successful exploitation can lead to full takeover of the RDBMS.

Detection Guidance

Detection requires checking Oracle Database Server versions affected by CVE-2026-83160. Run SQL queries to identify database version and check for the Create Table privilege. Example: SELECT * FROM v$version; and SELECT * FROM user_tab_privs WHERE privilege = 'CREATE TABLE';

Impact Analysis

An attacker could gain control of your Oracle Database Server, leading to unauthorized access, data theft, modification, or deletion. This could disrupt database operations and compromise sensitive information stored in the database.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and confidentiality. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Apply the latest Oracle Database Server patches immediately to address the RDBMS vulnerability. Ensure only trusted users have Create Table privileges and restrict network access via Oracle Net to trusted sources only.

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