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CVE-2026-46774 Oracle Corporation CVE debrief

A critical vulnerability, CVE-2026-46774, was discovered in Oracle Unified Directory, a component of Oracle Fusion Middleware. The vulnerability has a CVSS score of 9.8 and allows unauthenticated attackers with network access via RMI to compromise the directory, potentially leading to a complete takeover. The vulnerability is located in the OUD Core component and is easily exploitable. Administrators and security teams should prioritize patching to prevent takeovers.

Vendor
Oracle Corporation
Product
Oracle Unified Directory
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-19
Advisory published
2026-06-17
Advisory updated
2026-06-19

Who should care

Administrators and security teams responsible for Oracle Unified Directory installations should prioritize patching this vulnerability to prevent potential takeovers. This includes teams managing Oracle Fusion Middleware, specifically those with OUD Core component deployments. Security teams should assess their exposure and plan for immediate remediation due to the critical severity and potential for complete takeover.

Technical summary

The vulnerability is located in the OUD Core component of Oracle Unified Directory, a part of Oracle Fusion Middleware. It is easily exploitable and allows unauthenticated attackers with network access via RMI to compromise Oracle Unified Directory. Successful attacks can result in a complete takeover of Oracle Unified Directory. The CVSS 3.1 Base Score is 9.8, indicating a Critical severity level. This vulnerability affects Oracle Unified Directory versions 12.2.1.4.0 and 14.1.2.1.0.

Defensive priority

High

Recommended defensive actions

  • Apply the security patch provided by Oracle Corporation
  • Restrict network access to Oracle Unified Directory
  • Monitor for suspicious RMI activity
  • Review and update access controls for Oracle Unified Directory
  • Perform vulnerability scanning to identify exposed systems
  • Implement compensating controls for exposed systems while remediation is scheduled
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record was published on 2026-06-17T10:53:54.943Z and was last modified on 2026-06-19T06:17:08.030Z. The NVD entry is currently Analyzed. The vulnerability affects Oracle Unified Directory, specifically the OUD Core component. The CVE record and NVD entry provide additional context and details about the vulnerability. Evidence is based on the NVD entry and the CVE record.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-06-17T10:53:54.943Z and has not been modified since then. The NVD entry is currently Analyzed.