CVE-2026-83160

High

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).

SeverityHigh

CVSS8.8

Exploit probability—

ProductOracle Database Server

PublishedSep 15, 2026

First seenSep 15, 2026

Weakness typeCWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/cspusep2026.html

Affected products

Product	Affected versions	Fixed in
Oracle Corporation Oracle Database Server	23.4.0 ≤ v ≤ 23.26.3	—

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