Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain high-privileged LDAP credentials
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DeliveryConnect to OUD Core over network LDAP
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ExploitSend crafted privileged request
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ExecutionExploit OUD Core defect
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PersistTake over directory instance
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ImpactCompromise confidentiality, integrity, availability
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires the attacker to already hold high-privilege access to Oracle Unified Directory (CVSS PR:H) and network reachability to the OUD Core service over the LDAP protocol; no user interaction and no non-default configuration are cited. The limiting factor is authentication level: only an attacker with existing elevated/administrative LDAP privileges can trigger the flaw, which confines realistic exploitation to malicious insiders or attackers who have already compromised privileged directory credentials, rather than anonymous external actors. Affected deployments are OUD 12.2.1.4.0 and 14.1.2.1.0. |
| Impact | The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, 7.2 High) shows a network-reachable, low-complexity attack requiring no user interaction but demanding high privileges (PR:H) - this authentication barrier is the single largest factor limiting real-world risk, meaning the attacker must already hold elevated LDAP credentials/roles before exploitation. There is no EPSS score, no CISA KEV listing, and no POC in the provided data, so this is not evidence of widespread or active exploitation; the practical threat is an insider or a lateral-movement scenario where privileged directory credentials are already compromised. This reads as a genuine but conditional priority rather than an internet-wide emergency: high impact if reached, but gated behind existing high privilege. Key data missing: CWE is N/A and no SSVC/EPSS signals are provided, so automatability and exploitation-status cannot be independently corroborated beyond the CVSS metrics. |
| Exploit ScenarioDerived | An attacker who has already obtained a high-privileged OUD account - for example a rogue administrator or an adversary who harvested privileged directory credentials during lateral movement - connects over the network via LDAP and issues a crafted request against the OUD Core component. Because attack complexity is low and no user interaction is required, the request reliably drives full takeover of the directory service. No public exploit code is identified at time of analysis. |
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Alert meAnalysisAIv1 – Jul 22, 2026
Privilege-based takeover of Oracle Unified Directory (OUD Core) affects Fusion Middleware versions 12.2.1.4.0 and 14.1.2.1.0, where a high-privileged attacker with LDAP network access can fully compromise the directory service. Successful exploitation yields complete takeover with high confidentiality, integrity, and availability impact (CVSS 3.1 base 7.2). No public exploit identified at time of analysis; addressed in Oracle's July 2026 Critical Patch Update.
RemediationAI
Apply the fixes delivered in Oracle's July 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpujul2026.html), which is the authoritative source for the exact patched builds for 12.2.1.4.0 and 14.1.2.1.0 - treat this as Patch available per vendor advisory, since Oracle publishes concrete patch identifiers there rather than in this record. Until patching, reduce exposure by restricting LDAP network reachability of the OUD instance to trusted management networks and clients only, and by tightly minimizing and auditing accounts that hold high (administrative/privileged) LDAP roles, since PR:H means only such accounts can exploit the flaw; rotate and review privileged directory credentials for signs of compromise. These controls narrow the attack surface but do not remove the underlying defect, so schedule the CPU patch as the durable fix and note that network restrictions may disrupt legitimate remote administration or federated clients that legitimately require broad LDAP access.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Oracle Unified Directory is an enterprise LDAP directory server within the Oracle Fusion Middleware stack, used as an identity store, virtual directory, and directory proxy/synchronization service. The flaw resides in the OUD Core component and is reached over the LDAP protocol (network vector). Oracle did not assign a CWE (CWE: N/A), so the precise root-cause class is not disclosed; the Oracle-supplied tag 'Information Disclosure' plus the C:H/I:H/A:H impacts and 'takeover' language indicate the defect lets an already-privileged LDAP principal escalate to full control of the directory instance rather than merely reading data.
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
LDAP is network-reachable (AV:N) with low complexity, but takeover requires an existing high-privilege directory account (PR:H); full compromise gives C:H/I:H/A:H with no scope change.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows high privileged attacker with network access via LDAP to compromise Oracle Unified Directory. Successful attacks of this vulnerability can result in takeover of Oracle Unified Directory. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
Executive ViewAI
Oracle Unified Directory (OUD Core) in Fusion Middleware versions 12.2.1.4.0 and 14.1.2.1.0 is vulnerable to privilege-escalation takeover (CVSS 7.2) by high-privileged actors with LDAP access, enabling complete compromise of the directory service-the system that authenticates and authorizes users across the enterprise. No public exploit identified at time of analysis, but no vendor patch is currently available, creating a critical window of exposure for organizations dependent on this identity infrastructure. Without immediate containment, a compromised directory service grants attackers unrestricted access to user accounts and sensitive data.
Segment LDAP access to administrative networks only; disable directory services on systems without identity integration requirements; implement continuous monitoring and alerting for LDAP anomalies, failed administrative logins, and unusual high-privilege account behavior; establish a patch staging and rapid deployment capability for immediate implementation when Oracle releases the July 2026 Critical Patch Update.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
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EUVD-2026-46816
GHSA-g59j-fff9-665w
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB