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PatchSiren cyber security CVE debrief

CVE-2026-46776 Oracle Corporation CVE debrief

A high-severity vulnerability was discovered in Oracle Unified Directory, a component of Oracle Fusion Middleware. CVE-2026-46776 affects versions 12.2.1.4.0 and 14.1.2.1.0, allowing unauthenticated attackers with network access via LDAP to compromise the directory. This could lead to unauthorized data modifications, partial denial of service, and data exposure. Organizations using these versions should prioritize patching. The CVSS score of 8.6 indicates a significant risk to confidentiality, integrity, and availability.

Vendor
Oracle Corporation
Product
Oracle Unified Directory
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-18
Advisory published
2026-06-17
Advisory updated
2026-06-18

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. The high CVSS score of 8.6 indicates a significant risk, with potential impacts on confidentiality, integrity, and availability. IT administrators, security teams, and operators of Oracle Unified Directory should review and apply the vendor-provided patch as soon as possible.

Technical summary

The vulnerability in Oracle Unified Directory (CVE-2026-46776) is caused by a weakness in the OUD Core component. It has a CVSS 3.1 Base Score of 8.6, with Confidentiality, Integrity, and Availability impacts. The CVSS Vector is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L). Successful attacks can result in unauthorized creation, deletion, or modification access to critical data or all Oracle Unified Directory accessible data. This vulnerability allows an unauthenticated attacker with network access via LDAP to compromise Oracle Unified Directory, potentially leading to a partial denial of service.

Defensive priority

High

Recommended defensive actions

  • Apply the vendor-provided patch as soon as possible
  • Review and update network access controls to limit LDAP access
  • Monitor Oracle Unified Directory systems for suspicious activity
  • Consider implementing compensating controls, such as additional authentication or authorization mechanisms
  • Review 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
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-06-17T10:53:55.157Z and was last modified on 2026-06-18T20:29:35.570Z. The NVD entry is currently Analyzed. Oracle Unified Directory versions 12.2.1.4.0 and 14.1.2.1.0 are confirmed affected. Defenders should verify patch applicability and system exposure. Evidence is based on the official CVE record and NVD analysis.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46776 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46776

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

  • CVE-2026-46776 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46776

    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.