# CVE-2026-73966: Oracle Siebel CRM Apps Marketing privilege escalation

Source: https://junglewise.ai/threats/cve-2026-73966-oracle-siebel-crm-apps-marketing-privilege-escalation  
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-2026-73966 · Severity: high · CVSS 7.2 · Published 2026-09-15

Oracle Siebel CRM is a customer relationship management platform used by enterprises to manage sales, marketing, and customer service operations. A privilege escalation vulnerability in the Marketing component allows a high-privileged attacker with network access to take complete control of the affected application, potentially compromising all customer data and business operations managed through the marketing system.

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

## Quick answers

**Is CVE-2026-73966 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73966 being exploited in the wild.

**How severe is CVE-2026-73966?** High severity, with a CVSS score of 7.2, published 15 September 2026.

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

**Is there a fix for CVE-2026-73966?** 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-2026-73966 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-73966?** Check whether you run Oracle Siebel CRM Apps Marketing 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 vulnerability in the Siebel Apps Marketing component is an exploitable privilege escalation that allows high-privileged attackers with network access via HTTP to compromise the application. The vulnerability can result in a complete takeover (arbitrary code execution or full system compromise). Attack vector is network-based with low complexity, no user interaction required, and impacts confidentiality, integrity, and availability. The vulnerability affects versions 17.0 through 26.7 of Oracle Siebel CRM. A patch or mitigation is likely available but details are not yet fully accessible in public sources.

## Affected products

- Oracle Siebel CRM Apps Marketing 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

- [Oracle Siebel CRM Apps - Marketing partial denial of service via SMTP](https://junglewise.ai/threats/cve-2026-101399-vulnerability-in-the-siebel-apps-marketing-product-of-oracle)
- [Oracle Siebel CRM Apps - Marketing data disclosure](https://junglewise.ai/threats/cve-2026-101392-vulnerability-in-the-siebel-apps-marketing-product-of-oracle)