CVE-2026-46833
Analyzed Analyzed - Analysis Complete
Net Service Component Takeover in Oracle Database Server

Publication date: 2026-05-28

Last updated on: 2026-06-03

Assigner: Oracle

Description
Vulnerability in the Net Service component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Net Service. While the vulnerability is in Net Service, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Net Service. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H).
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Meta Information
Published
2026-05-28
Last Modified
2026-06-03
Generated
2026-06-19
AI Q&A
2026-05-29
EPSS Evaluated
2026-06-18
NVD
CVE-2026-46833
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
oracle database_server From 23.4.0 (inc) to 23.26.2 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability exists in the Net Service component of the Oracle Database Server, affecting versions 23.4.0 through 23.26.2. It is difficult to exploit but allows an unauthenticated attacker with network access via TLS to compromise the Net Service.

Although the vulnerability is specifically in Net Service, successful exploitation can impact additional products due to a scope change, potentially leading to a takeover of the Net Service.

Impact Analysis

Successful exploitation of this vulnerability can result in a complete takeover of the Net Service component, which can severely impact confidentiality, integrity, and availability of the affected system.

  • Confidentiality impact: High
  • Integrity impact: High
  • Availability impact: High
Compliance Impact

This vulnerability allows an unauthenticated attacker with network access via TLS to compromise the Net Service component of Oracle Database Server, potentially leading to a complete takeover of the Net Service.

Given the high impact on confidentiality, integrity, and availability (CVSS score 9.0), successful exploitation could lead to unauthorized access or manipulation of sensitive data.

Such a compromise could negatively affect compliance with data protection regulations and standards like GDPR and HIPAA, which require safeguarding sensitive personal and health information against unauthorized access and ensuring data integrity and availability.

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