CVE-2026-83066: Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle Internet Directory. Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. in Oracle Corporation Oracle Internet Directory
Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle Internet Directory. Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. 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).
AI Analysis
Technical Summary
This vulnerability affects the Oracle Internet Directory component of Oracle Fusion Middleware, specifically versions 12.2.1.4.0 and 14.1.2.1.0. It permits an unauthenticated attacker with network access via T3 or IIOP to exploit the flaw and compromise the directory service. Successful exploitation can result in complete takeover of Oracle Internet Directory. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects that the attack requires no privileges or user interaction and can be performed remotely with low complexity, causing high impact on confidentiality, integrity, and availability. Oracle has included fixes for this vulnerability in their September 2026 Critical Security Patch Update.
Potential Impact
An attacker exploiting this vulnerability can gain full control over the Oracle Internet Directory, compromising confidentiality, integrity, and availability of the service. This could lead to unauthorized access, data manipulation, and service disruption within environments using the affected Oracle Internet Directory versions.
Mitigation Recommendations
Oracle has released security patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Users of Oracle Internet Directory versions 12.2.1.4.0 and 14.1.2.1.0 should apply the provided patches promptly to remediate the vulnerability. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. Patch status is confirmed by the vendor advisory.
CVE-2026-83066: Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle Internet Directory. Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. in Oracle Corporation Oracle Internet Directory
Description
Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle Internet Directory. Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. 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).
CVSS v3.1
Score 9.8critical
Affected software
Oracle Corporation
Oracle Internet Directory
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Oracle Internet Directory component of Oracle Fusion Middleware, specifically versions 12.2.1.4.0 and 14.1.2.1.0. It permits an unauthenticated attacker with network access via T3 or IIOP to exploit the flaw and compromise the directory service. Successful exploitation can result in complete takeover of Oracle Internet Directory. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects that the attack requires no privileges or user interaction and can be performed remotely with low complexity, causing high impact on confidentiality, integrity, and availability. Oracle has included fixes for this vulnerability in their September 2026 Critical Security Patch Update.
Potential Impact
An attacker exploiting this vulnerability can gain full control over the Oracle Internet Directory, compromising confidentiality, integrity, and availability of the service. This could lead to unauthorized access, data manipulation, and service disruption within environments using the affected Oracle Internet Directory versions.
Mitigation Recommendations
Oracle has released security patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Users of Oracle Internet Directory versions 12.2.1.4.0 and 14.1.2.1.0 should apply the provided patches promptly to remediate the vulnerability. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. Patch status is confirmed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.337Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a81355bf5e2cf5537c9a
Added to database: 09/15/2026, 20:18:27 UTC
Last enriched: 09/15/2026, 22:39:58 UTC
Last updated: 09/16/2026, 04:01:23 UTC
Views: 4
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