Quick answers
- Is CVE-2026-87356 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87356 being exploited in the wild.
- How severe is CVE-2026-87356?
- High severity, with a CVSS score of 7.8, published 20 October 2026.
- Which products and versions are affected?
- Oracle E-Business Suite 12.2.3 to 12.2.15.
- Is there a fix for CVE-2026-87356?
- 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-2026-87356 attacked?
- It is attacked with local access, in a web application.
- Am I affected by CVE-2026-87356?
- Check whether you run Oracle E-Business Suite 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
The vulnerability is a local privilege escalation in the Valid Session component of Applications Platform Engineering that requires low privilege authentication and local access. An attacker with logon credentials can exploit this to gain full control of the affected system with high impacts to confidentiality, integrity, and availability. The attack is easily exploitable with no additional complexity and does not require user interaction.
Affected products
- Oracle E-Business Suite 12.2.3 to 12.2.15
Timeline
- 2026-10-20: disclosed