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PatchSiren cyber security CVE debrief

CVE-2026-46773 Oracle Corporation CVE debrief

A critical vulnerability was discovered in Oracle Unified Directory, a component of Oracle Fusion Middleware. The vulnerability, tracked as CVE-2026-46773, affects versions 12.2.1.4.0 and 14.1.2.1.0 of Oracle Unified Directory. It allows unauthenticated attackers with network access via LDAP to compromise the system, potentially leading to a takeover of Oracle Unified Directory. The CVSS 3.1 Base Score for this vulnerability is 9.8, indicating a high impact on confidentiality, integrity, and availability.

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

Organizations using Oracle Unified Directory versions 12.2.1.4.0 and 14.1.2.1.0 should prioritize patching this vulnerability to prevent potential system compromise. Security teams and administrators responsible for Oracle Fusion Middleware and Oracle Unified Directory should be aware of this critical vulnerability and take immediate action to mitigate the risk.

Technical summary

The vulnerability is located in the OUD Core component of Oracle Unified Directory. It is easily exploitable and allows unauthenticated attackers with network access via LDAP to compromise Oracle Unified Directory. Successful attacks can result in the takeover of Oracle Unified Directory. The CVSS Vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a high severity level.

Defensive priority

High

Recommended defensive actions

  • Apply the security patch provided by Oracle Corporation as soon as possible.
  • Restrict network access to Oracle Unified Directory to only necessary personnel.
  • Monitor LDAP traffic for suspicious activity.
  • Consider implementing additional security controls, such as multi-factor authentication.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record was published on 2026-06-17T10:53:54.840Z and was last modified on 2026-06-19T06:17:07.923Z. The NVD entry is currently Analyzed. The vulnerability has a CVSS 3.1 Base Score of 9.8, indicating a critical severity level.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46773 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46773

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46773 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46773

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.