CVE-2026-73964 Vulnerability in the RDBMS component of Oracle Database Server.

Low 2.7 Published 20 Oct 2026 Updated 27 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-73964?

CVE-2026-73964 is a low-severity vulnerability in Oracle Database Server, published on 20 Oct 2026.

Official description

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32 and 21.3-21.23. Easily exploitable vulnerability allows high privileged attacker having Query Optimizer privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).

Weakness: CWE-200

Which versions are affected by CVE-2026-73964?

How do I fix CVE-2026-73964?

No fix has been published for CVE-2026-73964 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-73964 being exploited?

There is no known exploitation of CVE-2026-73964 in the wild and no public exploit code.

Sources

Also known as GHSA-7355-33p2-f8mf.