CVE-2026-83164 in Customer Interaction History
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Customer Interaction History product of Oracle E-Business Suite (component: Outcome-Result). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Customer Interaction History. Successful attacks of this vulnerability can result in takeover of Oracle Customer Interaction History. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Outcome-Result component of Oracle Customer Interaction History, a module integral to Oracle E-Business Suite versions 12.2.3 through 12.2.15. This security flaw represents a critical risk vector for organizations relying on these specific releases for their customer relationship management and interaction tracking operations. The vulnerability is characterized by its ease of exploitation, requiring only low-privileged access and network connectivity via the HTTP protocol to trigger the malicious conditions. This accessibility significantly lowers the barrier to entry for attackers, allowing individuals with minimal initial credentials or privileges within the enterprise network perimeter to initiate an attack sequence against the targeted application layer.
From a technical perspective, the flaw enables an attacker to achieve complete compromise of the Oracle Customer Interaction History service upon successful exploitation. The high severity rating is driven by the comprehensive impact on the core security triad: confidentiality, integrity, and availability are all severely compromised. An adversary leveraging this vulnerability can effectively take over the application instance, gaining control equivalent to that of a system administrator or privileged user within the context of the Customer Interaction History module. This level of access allows for unauthorized modification of customer data, exfiltration of sensitive interaction records, and potential disruption of business operations dependent on accurate historical data retrieval and processing.
The operational impact of this vulnerability extends beyond immediate service disruption to include long-term reputational damage and regulatory compliance risks. Since the affected component handles customer interaction history, a successful takeover could lead to significant leakage of personally identifiable information (PII) or other sensitive corporate data stored within these records. Furthermore, the ability to alter integrity ensures that attackers can manipulate historical logs, potentially covering their tracks or introducing fraudulent transactions into business workflows. The CVSS 3.1 base score of 8.8 reflects this high severity, indicating a critical threat level that demands immediate attention from security operations teams and IT administrators responsible for maintaining the E-Business Suite environment.
In terms of industry standard classification, this vulnerability aligns with CWE-269, which addresses Improper Privilege Management, as it allows low-privileged users to escalate their access or perform actions beyond their intended scope. Additionally, the exploitation method involving network-accessible HTTP services and subsequent system compromise maps closely to ATT&CK technique T1059, Command and Scripting Interpreter, particularly if the takeover leads to arbitrary code execution on the underlying server infrastructure. The vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H underscores that while physical access or user interaction is not required, the network-based nature of the attack combined with low privilege requirements makes it a high-priority target for automated scanning and exploitation tools commonly used in cyber attacks.
Mitigation strategies must focus on immediate remediation through patching and enhanced monitoring. Oracle has likely released security patches addressing this specific flaw within the Outcome-Result component, making the application of these updates to all affected versions from 12.2.3 to 12.2.15 the primary defense mechanism. Organizations should prioritize deploying these patches in a test environment first to ensure compatibility with existing customizations before rolling them out to production systems. Concurrently, implementing strict access controls and network segmentation can limit exposure by restricting HTTP access to only authorized IP ranges or internal subnets where possible.
Security teams should also enhance monitoring capabilities to detect signs of exploitation attempts related to this vulnerability. This includes auditing logs for unusual activity patterns within the Customer Interaction History module, such as unexpected data modifications or unauthorized login sessions originating from low-privileged accounts. Implementing Web Application Firewalls with rules specifically tuned to detect payloads associated with privilege escalation and injection attacks can provide an additional layer of defense against exploitation attempts while patching efforts are underway. Regular vulnerability assessments focused on E-Business Suite components will help identify any other potential weaknesses that could be chained with this flaw for more severe impacts.