# CVE-2026-83190: Oracle Siebel CRM privilege escalation in Server Infrastructure

Source: https://junglewise.ai/threats/cve-2026-83190-oracle-siebel-crm-privilege-escalation-in-server-infrastructure  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-83190 · Severity: high · CVSS 7.3 · Published 2026-09-15

Oracle Siebel CRM is a widely-used customer relationship management platform that organizations rely on to manage sales, service, and customer data. This vulnerability in the Server Infrastructure component allows a low-privileged user with local access to take complete control of the Siebel CRM system, compromising the confidentiality, integrity, and availability of customer data and business operations. The attack requires user interaction, but once exploited, an attacker gains full system compromise.

Technologies: [Oracle Siebel CRM](https://junglewise.ai/threats/technologies/siebel-crm). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83190 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83190 being exploited in the wild.

**How severe is CVE-2026-83190?** High severity, with a CVSS score of 7.3, published 15 September 2026.

**Which products and versions are affected?** Oracle Siebel CRM 17.0-26.7.

**Is there a fix for CVE-2026-83190?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-83190 attacked?** It is attacked with local access, in a hosted service.

**Am I affected by CVE-2026-83190?** Check whether you run Oracle Siebel CRM at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This is a local privilege escalation vulnerability in the Siebel CRM Deployment Server Infrastructure component affecting versions 17.0 through 26.7. The vulnerability is easily exploitable by a low-privileged attacker with logon access to the infrastructure running Siebel CRM Deployment, and requires user interaction from another person to succeed. A successful exploit results in complete takeover of the Siebel CRM Deployment system, with impacts to confidentiality, integrity, and availability. No patch information is currently available from the provided advisory.

## Affected products

- Oracle Siebel CRM 17.0-26.7

## Timeline

- 2026-09-15: disclosed

## References

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

## Related threats

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