CVE-2026-83266

High CVSS 8.2

Published 2026-09-15 · last changed 2026-09-21

The fix

We hold no Microsoft remediation data for CVE-2026-83266, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Resource Catalog Services). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle JDeveloper accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle JDeveloper. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

Sources

NVD record for CVE-2026-83266

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