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CVE-2026-73964: 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. in Oracle Corporation Oracle Database Server

0
Low
VulnerabilityCVE-2026-73964cvecve-2026-73964
Published: 10/20/2026 (10/20/2026, 21:23:31 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle Database Server

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).

CVSS v3.1

Score 2.7low

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected software

Oracle Corporation

Oracle Database Server

Affected versions
>=19.3 <=19.32>=21.3 <=21.23

Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-13T18:41:45.893Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","vendor":"Oracle"}]

Threat ID: 6ad7def72cdf04f656637443

Added to database: 10/20/2026, 21:36:55 UTC

Last updated: 10/20/2026, 21:50:00 UTC

Views: 2

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