CVE-2026-83190

Received Received - Intake

Siebel CRM Deployment Privilege Escalation Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83190

EUVD

EUVD-2026-79542

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm_deployment	From 17.0 (inc) to 26.7 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM Deployment (versions 17.0-26.7) where a low-privileged attacker with logon access to the system can exploit it to take over the Siebel CRM Deployment. The attack requires human interaction from another user and has a CVSS score of 7.3, indicating high impacts on confidentiality, integrity, and availability.

Detection Guidance

This vulnerability requires logon access to the infrastructure where Siebel CRM Deployment executes. Detection should focus on monitoring for unauthorized access or unusual activity within the Siebel CRM Deployment environment. Check application logs for suspicious logins or privilege escalations. Review network traffic for unexpected connections to the Siebel CRM Deployment ports.

Impact Analysis

If exploited, an attacker could gain full control over the Siebel CRM Deployment, potentially leading to unauthorized access to sensitive data, modification of system configurations, or disruption of services. This could affect business operations and data security.

Compliance Impact

This vulnerability allows low-privileged attackers to compromise Siebel CRM Deployment, potentially leading to unauthorized access to sensitive data. This could impact compliance with GDPR (data protection) and HIPAA (healthcare data privacy) by exposing confidential information, violating integrity, and disrupting availability of critical systems.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches for versions 17.0-26.7 to address the vulnerability. Ensure only trusted users have logon access to the infrastructure where Siebel CRM Deployment executes. Monitor for unusual activity or unauthorized changes in the Siebel CRM Deployment environment.

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