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