Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local authenticated low-privileged user (AV:L/PR:L), Oracle-stated difficulty gives AC:H, and full module takeover justifies C:H/I:H/A:H with unchanged scope.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle HRMS (US) product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle HRMS (US) executes to compromise Oracle HRMS (US). Successful attacks of this vulnerability can result in takeover of Oracle HRMS (US). CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full compromise of Oracle HRMS (US) within Oracle E-Business Suite is possible via the Internal Operations component, letting a low-privileged user with local logon access escalate to complete takeover of the HRMS application, with confidentiality, integrity and availability all fully impacted. Rated CVSS 3.1 7.0 but explicitly high-complexity (AC:H), so exploitation is non-trivial and requires an existing account. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Technical ContextAI
Oracle HRMS (US) is the North American Human Resources Management System module of Oracle E-Business Suite (EBS), Oracle's on-premises ERP suite built on the Oracle Database and Oracle Application Server/WebLogic middleware. The flaw resides in the Internal Operations subcomponent. Oracle's advisory assigns no CWE (CWE: N/A) and does not disclose the underlying weakness class, but the CVSS profile - local vector, high attack complexity, requiring existing low privileges, with full confidentiality/integrity/availability impact and unchanged scope - is consistent with a privilege-escalation or authorization/logic flaw that an already-authenticated EBS user can abuse to seize control of the HRMS module. Per Oracle's per-product scoring convention, S:U/C:H/I:H/A:H here denotes takeover of Oracle HRMS (US) itself rather than the underlying host OS.
RemediationAI
Apply the Oracle Critical Patch Update of July 2026, which contains the fix (Patch available per vendor advisory: https://www.oracle.com/security-alerts/cpujul2026.html); Oracle ships cumulative CPU bundles rather than a standalone semantic fix version, so apply the CPU patch appropriate to your EBS 12.2.x level and consult the CPU patch matrix for the specific patch number - the input does not provide a discrete fix version, so do not assume one. As compensating controls until patching, restrict and audit who holds application logon accounts on the HRMS/EBS infrastructure (the vector requires PR:L local logon), enforce least-privilege on EBS responsibilities tied to the Internal Operations component, and segment the EBS application tier so only trusted authenticated users can reach it; the trade-off is added friction for legitimate HR administrators and integrations. Because the attack is local and authenticated, network/WAF filtering offers limited protection, making account governance the higher-value control.
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Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-47330
GHSA-gjgh-v4gm-fwpm