# CVE-2026-91446: Oracle Siebel CRM Deployment privilege escalation in Server Infrastructure

Source: https://junglewise.ai/threats/cve-2026-91446-vulnerability-in-the-siebel-crm-deployment-product-of-oracle  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-91446 · Severity: medium · CVSS 6.7 · Published 2026-10-20

Oracle Siebel CRM is a customer relationship management platform used for sales and business operations. A privilege escalation vulnerability in the Server Infrastructure component allows a high-privileged local attacker to gain complete control over the Siebel CRM Deployment system. Successful exploitation results in full system compromise with impact to data confidentiality, integrity, and availability.

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

## Quick answers

**Is CVE-2026-91446 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91446 being exploited in the wild.

**How severe is CVE-2026-91446?** Medium severity, with a CVSS score of 6.7, published 20 October 2026.

**Which products and versions are affected?** Oracle Siebel CRM 17.0–26.9.

**Is there a fix for CVE-2026-91446?** 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-2026-91446 attacked?** It is attacked with local access, in a hosted service.

**Am I affected by CVE-2026-91446?** 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

A privilege escalation vulnerability exists in the Siebel CRM Deployment Server Infrastructure component (versions 17.0–26.9) that can be exploited by a high-privileged attacker with local logon access. The attack requires no user interaction and results in complete takeover of the affected Siebel CRM Deployment instance, affecting confidentiality, integrity, and availability.

## Affected products

- Oracle Siebel CRM 17.0–26.9

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle Siebel CRM Financial Accounts unauthorized data access](https://junglewise.ai/threats/cve-2026-91430-vulnerability-in-the-siebel-apps-financial-services-product-of)
- [Oracle Siebel CRM Server Infrastructure privilege escalation](https://junglewise.ai/threats/cve-2026-91423-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)
- [Oracle Siebel CRM information disclosure in Management Console](https://junglewise.ai/threats/cve-2026-101448-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)
- [Oracle Siebel CRM Apps - Marketing cross-site request forgery in Email Marketing](https://junglewise.ai/threats/cve-2026-101408-vulnerability-in-the-siebel-apps-marketing-product-of-oracle)
- [Oracle Siebel CRM Marketing unauthorized data access](https://junglewise.ai/threats/cve-2026-101405-vulnerability-in-the-siebel-apps-marketing-product-of-oracle)