CVE-2026-73964: Infoleak
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).
Affected Software
Event History
Frequently Asked Questions
Who is realistically able to exploit this issue?
An attacker must already have high privileges, specifically the Query Optimizer privilege, and network access to the database through Oracle Net. It is not described as exploitable by unauthenticated or low-privileged users.
Which Oracle Database Server versions are affected?
The affected supported version ranges are 19.3 through 19.32 and 21.3 through 21.23.
What is the expected impact if exploitation succeeds?
Successful exploitation can provide unauthorized read access to a subset of data accessible through RDBMS. The stated impact is limited to confidentiality; integrity and availability impacts are not identified.