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9.8
CVE-2026-83399PATCHED
Oracle · WebLogic Server

CVE-2026-83399: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions t

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected Products

VendorProductVersions
OracleWebLogic Server12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
oraclefusion middlewarecert_advisory90%

References

  • https://www.oracle.com/security-alerts/cpuoct2026.html(vendor-advisory)

Related News (3 articles)

Tier B
BSI Advisories10h ago
[NEU] [hoch] Oracle Fusion Middleware: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB20h ago
CVE-2026-83399 | Oracle WebLogic Server 12.2.1.4.0/14.1.1.0.0/14.1.2.0.0/15.1.1.0.0 Core privileges management
→ No new info (linked only)
Tier B
CERT-FR21h ago
Multiples vulnérabilités dans Oracle Weblogic (21 octobre 2026)
→ No new info (linked only)

Discussion (0)

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CVSS 3.19.8 CRITICAL
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited❌ No
Patch available
true
PublishedOct 20, 2026
Last enriched20h agov2
Trending Score58
Source articles3
Independent3
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Verification

State: verified
Confidence: 100%

Vulnerability Timeline

CVE Published
Oct 20, 2026
Discovered by ZDM
Oct 20, 2026
Updated: vendor, product, affectedVersions, cweIds, patchAvailable
Oct 21, 2026
Patch Available
Oct 21, 2026

Version History

v2
Last enriched 20h ago
v2Tier C20h ago

Added vendor (Oracle) and product (WebLogic Server), populated affected versions, identified CWE-269 for improper privilege management, and confirmed patch availability.

vendorproductaffectedVersionscweIdspatchAvailable
via VulDB
v123h ago

Initial creation