Live › vulnerability › CVE-2026-73964
Go to dashboardA flaw in the RDBMS component of Oracle Database Server lets a high-privileged user with Query Optimizer rights read a subset of data they should not reach. The attacker must already hold a privileged account and reach the database over Oracle Net.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Only Oracle Database Server releases 19.3 through 19.32 and 21.3 through 21.23 are named as affected. Exposure requires a high-privileged account with the Query Optimizer privilege and network access over Oracle Net, so teams with locked-down listeners and tightly held privileged accounts face little risk.
No product ranges from the sources yet.
SELECT banner FROM v$version; and compare against the affected releases 19.3 through 19.32 and 21.3 through 21.23Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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).
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