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PatchSiren cyber security CVE debrief

CVE-2026-46827 Oracle Corporation CVE debrief

A critical vulnerability in Oracle E-Business Suite's Payroll component (Self Service Manager) allows low-privileged attackers to achieve full application takeover via network access. Published 2026-05-28, this flaw affects versions 12.2.3 through 12.2.15 with a CVSS 3.1 score of 8.8. The vulnerability requires authenticated access but no user interaction, enabling remote compromise of confidentiality, integrity, and availability. Organizations should prioritize patching through Oracle's Critical Patch Update process and restrict network access to affected Payroll self-service interfaces until remediation.

Vendor
Oracle Corporation
Product
Oracle Payroll
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-28
Original CVE updated
2026-07-21
Advisory published
2026-05-28
Advisory updated
2026-07-21

Who should care

Organizations running Oracle E-Business Suite 12.2.3-12.2.15 with Payroll module enabled; financial services and HR departments relying on Oracle Payroll self-service functionality; security teams managing ERP attack surface; compliance officers responsible for payroll data protection (SOX, GDPR, state wage laws)

Technical summary

The vulnerability exists in Oracle Payroll's Self Service Manager component, a web-facing module within Oracle E-Business Suite. The attack vector requires HTTP network access and low-privileged authentication, suggesting insufficient authorization checks or injection flaws in self-service workflows. Successful exploitation grants complete control over the Payroll application (C:H/I:H/A:H), indicating potential for data exfiltration, fraudulent payment processing, or service disruption. The network-accessible, low-complexity nature combined with high business impact of payroll systems elevates defensive priority despite requiring initial authentication.

Defensive priority

critical

Recommended defensive actions

  • Apply Oracle Critical Patch Update for May 2026 immediately to affected E-Business Suite 12.2.3-12.2.15 instances
  • Restrict network access to Oracle Payroll Self Service Manager interfaces to authorized administrative hosts only
  • Review access logs for anomalous HTTP requests to /OA_HTML/ or Payroll self-service endpoints from unexpected source IPs
  • Validate that Oracle WebLogic and E-Business Suite application tiers are segmented from untrusted networks
  • Monitor for unexpected privilege escalations or configuration changes within Oracle Payroll module
  • Coordinate with HR/Payroll stakeholders to establish maintenance windows for emergency patching
  • Verify backup integrity for Oracle E-Business Suite databases and application tiers before applying patches

Evidence notes

Oracle's official security alert confirms affected product versions and attack vector details. CVSS scoring validated through NVD entry with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. No CISA KEV listing or known ransomware campaign use documented at time of publication.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46827 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46827

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46827 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46827

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.