CVE-2026-71062 Privilege escalation in Oracle Database Server

High 8.5 Published 18 Aug 2026 Updated 20 Aug 2026

A low-privileged authenticated attacker can escalate privileges to take over the Oracle Database Server RDBMS component via network access.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-71062?

CVE-2026-71062 is a high-severity vulnerability in Oracle Database Server, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-71062?

It affects 1 product.

Products include Oracle Database Server.

How do I fix CVE-2026-71062?

No fix has been published for CVE-2026-71062 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-71062 being exploited?

There is no known exploitation of CVE-2026-71062 in the wild and no public exploit code.

All Oracle Database Server vulnerabilities

Sources

Also known as GHSA-767x-74jq-3j6p.