# CVE-2026-91483: Oracle Outside In Technology privilege escalation in Core

Source: https://junglewise.ai/threats/cve-2026-91483-vulnerability-in-the-oracle-outside-in-technology-product-of  
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-2026-91483 · Severity: high · CVSS 7.8 · Published 2026-10-20

Oracle Outside In Technology is a file processing engine used in Oracle Fusion Middleware to handle document conversion and analysis. A privilege escalation vulnerability in the Core component allows an unauthenticated attacker with local access to the system to take complete control of the application, but only if a user interacts with a malicious file. This could lead to unauthorized access to sensitive data and system compromise.

Technologies: [Oracle Outside In Technology](https://junglewise.ai/threats/technologies/outside-in-technology). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-91483 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91483 being exploited in the wild.

**How severe is CVE-2026-91483?** High severity, with a CVSS score of 7.8, published 20 October 2026.

**Which products and versions are affected?** Oracle Outside In Technology 8.5.8.

**Is there a fix for CVE-2026-91483?** 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-2026-91483 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-91483?** Check whether you run Oracle Outside In Technology 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 local privilege escalation vulnerability in Oracle Outside In Technology Core (version 8.5.8) requires user interaction to exploit. An unauthenticated attacker with local system access can craft a malicious file that, when processed by a legitimate user, results in complete compromise of the application with high confidentiality, integrity, and availability impact. The vulnerability has a CVSS 3.1 score of 7.8 with local attack vector, low complexity, no privileges required, and user interaction needed.

## Affected products

- Oracle Outside In Technology 8.5.8

## 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 Outside In Technology privilege escalation in Clean Content SDK](https://junglewise.ai/threats/cve-2026-91475-vulnerability-in-the-oracle-outside-in-technology-product-of)
- [Oracle Outside In Technology privilege escalation in Image Export SDK](https://junglewise.ai/threats/cve-2026-91460-vulnerability-in-the-oracle-outside-in-technology-product-of)
- [Oracle Outside In Technology code execution in Image Export SDK](https://junglewise.ai/threats/cve-2026-91459-vulnerability-in-the-oracle-outside-in-technology-product-of)
- [Oracle Outside In Technology privilege escalation in Outside In Core](https://junglewise.ai/threats/cve-2026-91458-vulnerability-in-the-oracle-outside-in-technology-product-of)
- [Oracle Outside In Technology code execution in Image Export SDK](https://junglewise.ai/threats/cve-2026-91457-vulnerability-in-the-oracle-outside-in-technology-product-of)