# CVE-2026-91501: Oracle Identity Manager privilege escalation in Installer

Source: https://junglewise.ai/threats/cve-2026-91501-vulnerability-in-the-oracle-identity-manager-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-2026-91501 · Severity: medium · CVSS 5.5 · Published 2026-10-20

Oracle Identity Manager is an identity and access management system used to manage user accounts and permissions across enterprise infrastructure. A flaw in the installer component allows a low-privileged local user to gain unauthorized access to sensitive data managed by the system. An attacker with local system access could exploit this to read confidential identity data without requiring additional authentication.

Technologies: [Oracle Identity Manager](https://junglewise.ai/threats/technologies/oracle-identity-manager). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-91501 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91501 being exploited in the wild.

**How severe is CVE-2026-91501?** Medium severity, with a CVSS score of 5.5, published 20 October 2026.

**Which products and versions are affected?** Oracle Identity Manager 12.2.1.4.0, 14.1.2.1.0.

**Is there a fix for CVE-2026-91501?** 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-2026-91501 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-91501?** Check whether you run Oracle Identity Manager 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 the Oracle Identity Manager installer (versions 12.2.1.4.0 and 14.1.2.1.0) allows a low-privileged attacker with local system access to read sensitive data. The vulnerability requires local logon access with low privileges and does not require user interaction. Exploitation results in unauthorized read access to critical and identity-related data.

## Affected products

- Oracle Identity Manager 12.2.1.4.0, 14.1.2.1.0

## 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 Identity Manager unauthenticated remote code execution](https://junglewise.ai/threats/cve-2026-91408-vulnerability-in-the-oracle-identity-manager-product-of-oracle)
- [Oracle Identity Manager remote code execution in REST WebServices](https://junglewise.ai/threats/cve-2026-91407-vulnerability-in-the-oracle-identity-manager-product-of-oracle)
- [Oracle Identity Manager privilege escalation in Legacy UI](https://junglewise.ai/threats/cve-2026-91259-vulnerability-in-the-oracle-identity-manager-product-of-oracle)
- [Oracle Identity Manager arbitrary code execution in OIM Legacy UI](https://junglewise.ai/threats/cve-2026-83403-vulnerability-in-the-oracle-identity-manager-product-of-oracle)
- [Oracle Identity Manager privilege escalation in OIM Legacy UI](https://junglewise.ai/threats/cve-2026-83402-vulnerability-in-the-oracle-identity-manager-product-of-oracle)