Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain low-privileged OS logon to EBS host
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DeliveryInvoke Oracle Payroll Internal Operations interface
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ExploitBypass Payroll internal authorization controls
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ExecutionExfiltrate complete Oracle Payroll data
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ImpactPivot to additional co-hosted EBS components via scope change
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires an active local logon session on the infrastructure host where Oracle Payroll executes - this is not remotely exploitable without a prior foothold. The attacker must hold a low-privileged OS-level account (PR:L) on that host; no higher privilege is required. No specific non-default configuration is identified as a prerequisite. Exploitation is limited by the local attack vector: an attacker without any form of shell or session access to the Oracle Payroll host cannot exploit this vulnerability remotely. Additionally, Oracle Payroll must be running versions 12.2.3 through 12.2.15; installations outside this range or on 12.1.x are not listed as affected. The 'Authentication Bypass' tag indicates that once local access is achieved, Oracle Payroll's own internal authorization layer can be circumvented without needing Oracle application-level credentials or Payroll-specific roles. |
| Impact | The CVSS 3.1 base score of 6.5 accurately reflects the local attack vector constraint - this is not remotely exploitable without first obtaining a foothold on the Oracle Payroll host, which significantly limits opportunistic internet-scale attacks. However, in enterprise environments where Oracle EBS runs on shared infrastructure (managed services, virtualized tenants, contractor-accessible servers), the PR:L requirement is a realistic bar that is frequently met by service accounts, DBA staff, or infrastructure operators. The Scope:Changed and C:H combination elevates practical risk: full read access to payroll data (salaries, PII, tax records) across an organization is a high-value exfiltration target. No EPSS score was provided in the input, and the vulnerability is not listed in CISA KEV, so widespread active exploitation is not confirmed. The 'Authentication Bypass' tag conflicts somewhat with PR:L - PR:L implies some authentication is required, yet the tag suggests internal controls are bypassed after that initial access. This is best interpreted as: OS-level logon (PR:L) is the entry gate, but Oracle Payroll's own authorization layer is then bypassed. EPSS data is absent, so exploitation probability cannot be quantified numerically; the 'easily exploitable' Oracle language and AC:L/UI:N metrics suggest low technical barrier once local access is obtained. |
| Exploit ScenarioDerived | An attacker who has obtained a low-privileged OS account on the Oracle EBS application server - via credential theft, insider access, or lateral movement from a compromised adjacent system - logs into the host and invokes Oracle Payroll's Internal Operations interfaces, bypassing the product's internal authorization controls to extract the full contents of payroll data including employee salaries, tax identifiers, and banking details. No public proof-of-concept code has been identified at time of analysis, but Oracle's characterization of the issue as 'easily exploitable' with AC:L/UI:N suggests that exploitation would be straightforward once local access is established. |
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Alert meAnalysisAIv1 – Jul 22, 2026
Local privilege escalation via authentication bypass in Oracle Payroll (E-Business Suite) versions 12.2.3 through 12.2.15 enables a low-privileged user with infrastructure logon to gain complete unauthorized read access to all Oracle Payroll data, with scope change indicating potential lateral impact to additional EBS components. The CVSS vector confirms local attack vector with low complexity and no user interaction required, making this straightforwardly exploitable by any authenticated OS-level user on the Payroll host. No public exploit code or CISA KEV listing has been identified at time of analysis, but Oracle's 'easily exploitable' language in the advisory warrants prompt patching for any internet-adjacent or multi-tenant EBS deployment.
RemediationAI
Apply the Oracle July 2026 Critical Patch Update (CPU), referenced at https://www.oracle.com/security-alerts/cpujul2026.html, which addresses this vulnerability for Oracle Payroll 12.2.3 through 12.2.15. Oracle does not publish individual patch version numbers in CPU advisories; customers should follow the Oracle patch application instructions for their specific EBS release within the affected range. An exact patched release version was not independently confirmed from the available references. As a compensating control prior to patching, restrict OS-level logon access to the Oracle Payroll application server and database tiers to only essential service accounts and privileged administrators - removing unnecessary user accounts from these hosts directly eliminates the PR:L attack surface. Additionally, audit and tighten OS-level sudo and file permission rules on the Oracle Payroll host. Note that restricting OS access may impact legitimate EBS administration workflows and should be coordinated with EBS administrators. Network-layer controls (firewalls, VPNs) do not mitigate this vulnerability since the attack vector is local.
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 Payroll is a component of Oracle E-Business Suite (EBS), a large-scale enterprise resource planning platform. The affected component is 'Internal Operations', which handles backend payroll processing logic running on the infrastructure host. The CVSS vector AV:L indicates exploitation requires a local OS-level session on the host where Oracle Payroll executes - consistent with an EBS application server or database tier node. The Scope:Changed metric indicates that a successful exploit against Oracle Payroll can cascade into unauthorized access of additional EBS products co-hosted or accessible from the same tier. The 'Authentication Bypass' tag suggests the vulnerability enables a low-privileged OS user to circumvent Oracle Payroll's internal access controls - bypassing role-based or session-level authorization checks within the Internal Operations component - rather than requiring no authentication at all. No CWE is assigned by Oracle, which is consistent with their standard CPU advisory format; the root cause class is inferred as access control bypass (likely CWE-284 or CWE-862: Missing Authorization) based on the description and tag.
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Severity by source
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Local attack vector and PR:L confirmed by description; scope change and C:H reflect cross-product data access; no integrity or availability impact stated.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle Payroll product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Payroll executes to compromise Oracle Payroll. While the vulnerability is in Oracle Payroll, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Payroll accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
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
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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Remote, unauthenticated attackers can retrieve arbitrary local files from Dayforce Payroll by calling its file-download
Full compromise of Oracle Payroll (Oracle E-Business Suite, Internal Operations component) is possible when a low-privil
Full takeover of Oracle Payroll (component: Internal Operations) in Oracle E-Business Suite 12.2.3 through 12.2.15 is ac
Full compromise of Oracle Payroll (Internal Operations component of Oracle E-Business Suite, versions 12.2.3 through 12.
Local privilege escalation in Oracle Payroll (E-Business Suite 12.2.3 through 12.2.15) enables a low-privileged attacker
Cross-scope confidentiality compromise in Oracle Payroll (Oracle E-Business Suite, Internal Operations component) versio
Unauthorized data exposure in Oracle Payroll (E-Business Suite component: Internal Operations) allows a low-privileged,
Unauthorized disclosure of critical data in Oracle Payroll (Oracle E-Business Suite, Internal Operations component), ver
Full compromise of Oracle Payroll (a module of Oracle E-Business Suite, Internal Operations component) is possible in su
Vulnerability in the Oracle Payables component of Oracle E-Business Suite (subcomponent: Self Service Manager). Rated me
Unauthorized data access in Oracle Payroll (E-Business Suite component) versions 12.2.3 through 12.2.15 allows a low-pri
EUVD-2026-47169
GHSA-7w3h-wc7g-j789
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB