CVE-2026-46915 is a vulnerability in Oracle Complex Maintenance, Repair and Overhaul (component: Production) within Oracle E-Business Suite, specifically affecting version 12.2.3. The flaw allows a low privileged attacker with network access via HTTP to compromise the product, potentially resulting in full takeover. The vulnerability has a CVSS 3.1 score of 8.5 with high impact on confidentiality, integrity, and availability, and a scope change that may affect additional Oracle products. Oracle's June 2026 Critical Security Patch Update advisory addresses this and numerous other vulnerabilities, strongly recommending customers apply patches promptly. While no direct patch version is specified for this CVE, the advisory emphasizes applying the full Critical Security Patch Update. Mitigation options include blocking network protocols used in attacks and limiting user privileges, though these may impact application functionality. No exploits have been reported in the wild to date.

Successful exploitation of CVE-2026-46915 can lead to complete takeover of Oracle Complex Maintenance, Repair and Overhaul, impacting confidentiality, integrity, and availability of the system. The vulnerability also has a scope change, meaning attacks may significantly affect additional Oracle products beyond the initially vulnerable component. The high CVSS score (8.5) reflects the critical nature of the potential compromise. No known exploits in the wild have been reported, but the risk remains significant due to the potential impact.

Oracle strongly recommends applying the June 2026 Critical Security Patch Update, which includes fixes for this vulnerability among many others. Since no specific patch version is explicitly stated for CVE-2026-46915, customers should apply the full Critical Security Patch Update without delay. Until patches are applied, risk can be reduced by blocking network protocols required for exploitation and by removing unnecessary privileges or access to packages from users who do not need them. These mitigations may affect application functionality, so they should be tested carefully. Oracle advises customers to remain on actively supported versions and promptly apply security patches to prevent exploitation.