CVE-2026-91266 — HIGH (8.4)

Vulnerability Description

Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Monitoring and Diagnostics SEC). Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where JD Edwards EnterpriseOne Tools executes to compromise JD Edwards EnterpriseOne Tools. While the vulnerability is in JD Edwards EnterpriseOne Tools, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all JD Edwards EnterpriseOne Tools accessible data as well as unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data. CVSS 3.1 Base Score 8.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).

CVSS Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-284

References

https://www.oracle.com/security-alerts/cpuoct2026.html

FAQ

What is CVE-2026-91266?

CVE-2026-91266 is a vulnerability with a CVSS score of 8.4 (HIGH). Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Monitoring and Diagnostics SEC). Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploit...

How severe is CVE-2026-91266?

CVE-2026-91266 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91266?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.