CVE-2026-83219

Received Received - Intake

Privilege Escalation in Oracle Siebel CRM Deployment

Publication date: 2026-09-15

Last updated on: 2026-09-18

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 of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Deployment accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-18

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83219

EUVD

EUVD-2026-79571

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-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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 system access can exploit it to compromise the deployment. Successful exploitation allows unauthorized creation, deletion, or modification of critical data, as well as unauthorized access to all accessible data in the deployment.

Detection Guidance

Detection requires checking for Oracle Siebel CRM Deployment versions 17.0-26.7. Verify installed versions using Oracle's tools or system package managers. Monitor logs for unauthorized data access or modification attempts in the Siebel CRM infrastructure.

Impact Analysis

If you use Oracle Siebel CRM Deployment versions 17.0-26.7, an attacker with local access could steal, alter, or delete sensitive business or customer data. This could lead to data breaches, financial loss, reputational damage, or operational disruptions.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Non-compliance may result in legal penalties, fines, or regulatory actions.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches immediately. Restrict user privileges to the minimum required. Monitor critical data access and implement network segmentation to limit lateral movement.

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