CVE-2026-83423: oracle corporation oracle jdeveloper Improper Privilege Management
Vulnerability summary
CVE-2026-83423 is a high (CVSS 8.8) Improper Privilege Management vulnerability in oracle corporation oracle jdeveloper. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.6% of scored vulnerabilities.
Timeline
- 15-09-2026PublishedVulnerability first disclosed.
- 17-09-2026Last modifiedVulnerability information updated.
Description
Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Security Framework). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in takeover of Oracle JDeveloper. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
+0.13 pp
From 0.29% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle corporation1 product
- oracle jdeveloper12.2.1.4.0 | 14.1.2.0.0
1 vendor · 1 product
References
1 links- www.oracle.com/security-alerts/cspusep2026.htmlVendor Advisory