# CVE-2026-87403: Oracle E-Business Suite Applications DBA privilege escalation

Source: https://junglewise.ai/threats/cve-2026-87403-vulnerability-in-the-applications-dba-product-of-oracle-e  
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-2026-87403 · Severity: high · CVSS 7.1 · Published 2026-10-20

Oracle E-Business Suite's Applications DBA component (which manages database administration tasks) contains a privilege escalation flaw. An attacker with local access to the server running the component can exploit this to read, modify, or delete sensitive application data. The vulnerability allows unauthorized access to critical business data stored in the E-Business Suite environment.

Technologies: [Oracle E-Business Suite Applications DBA](https://junglewise.ai/threats/technologies/e-business-suite-applications-dba). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-87403 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87403 being exploited in the wild.

**How severe is CVE-2026-87403?** High severity, with a CVSS score of 7.1, published 20 October 2026.

**Which products and versions are affected?** Oracle E-Business Suite Applications DBA 12.2.3 through 12.2.15.

**Is there a fix for CVE-2026-87403?** 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-2026-87403 attacked?** It is attacked with local access, in a web application.

**Am I affected by CVE-2026-87403?** Check whether you run Oracle E-Business Suite Applications DBA 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 E-Business Suite Applications DBA (component: AD Utilities) allows a low-privileged local attacker to gain unauthorized access to critical data. The attack requires logon access to the infrastructure where Applications DBA executes, with no user interaction required. Successful exploitation results in confidentiality and integrity compromise of E-Business Suite accessible data.

## Affected products

- Oracle E-Business Suite Applications DBA 12.2.3 through 12.2.15

## 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 E-Business Suite Applications DBA privilege escalation in AD Utilities](https://junglewise.ai/threats/cve-2026-87402-vulnerability-in-the-applications-dba-product-of-oracle-e)
- [Oracle E-Business Suite Applications DBA unauthorized data access](https://junglewise.ai/threats/cve-2026-87335-vulnerability-in-the-applications-dba-product-of-oracle-e)
- [Oracle E-Business Suite Applications DBA privilege escalation](https://junglewise.ai/threats/cve-2026-101683-vulnerability-in-the-applications-dba-product-of-oracle-e)
- [Oracle E-Business Suite Applications DBA privilege escalation in AD Utilities](https://junglewise.ai/threats/cve-2026-101682-vulnerability-in-the-applications-dba-product-of-oracle-e)
- [Oracle E-Business Suite Applications DBA privilege escalation in AD Utilities](https://junglewise.ai/threats/cve-2026-83118-oracle-e-business-suite-applications-dba-privilege-escalation-in)