CVE-2026-91629
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Privilege Escalation in Oracle Communications Billing and Revenue Management

Publication date: 2026-10-20

Last updated on: 2026-10-26

Assigner: Oracle

Description
Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications (component: Platform). Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and 15.2.0.0.0. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Communications Billing and Revenue Management executes to compromise Oracle Communications Billing and Revenue Management. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Communications Billing and Revenue Management accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N).

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Meta Information

Published
2026-10-20
Last Modified
2026-10-26
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
CVE-2026-91629
EUVD
EUVD-2026-106816

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

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Executive Summary

This vulnerability affects Oracle Communications Billing and Revenue Management versions 15.0.0.0.0 through 15.2.0.0.0. It allows a low-privileged attacker with system access to potentially gain unauthorized access to sensitive data or full access to all data within the system.

Detection Guidance

This vulnerability is specific to Oracle Communications Billing and Revenue Management and requires logon access to the infrastructure. Detection would involve checking for unauthorized access or unusual activity in logs related to the Oracle Communications Billing and Revenue Management component. Review application logs for suspicious logins or data access patterns.

Impact Analysis

If exploited, this vulnerability could lead to unauthorized access to critical or sensitive data stored in the Oracle Communications Billing and Revenue Management system. This may result in data breaches, financial loss, or reputational damage depending on the data involved.

Compliance Impact

This vulnerability could lead to unauthorized access to critical or all accessible data in Oracle Communications Billing and Revenue Management. For GDPR, this may result in unauthorized data access, potentially violating principles of data protection and user consent. For HIPAA, it could compromise protected health information confidentiality if such data is processed by the affected system.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle Communications Billing and Revenue Management to address the vulnerability. Ensure all affected versions (15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0, 15.2.0.0.0) are updated. Restrict user privileges to minimize access to critical data.

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