Cyber Resilience

CVE-2026-46935

Access Control in Oracle Complex Maintenance Repair And Overhaul 12.2.3 – 12.2.15

Published
17 June 2026
Modified
18 June 2026
Patch / advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0031 23th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-46935 is a high-severity Improper Privilege Management (CWE-269) vulnerability in Oracle Complex Maintenance Repair And Overhaul. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 23th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to AC-3 (Access Enforcement) and AC-6 (Least Privilege) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

Vulnerability in the Oracle Complex Maintenance, Repair and Overhaul 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 network access via HTTP to compromise Oracle…

more

Complex Maintenance, Repair and Overhaul. Successful attacks of this vulnerability can result in takeover of Oracle Complex Maintenance, Repair and Overhaul. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Network-accessible Oracle EBS web component (HTTP) with improper access control/privilege management (CWE-269/284/306) directly enables remote exploitation leading to full compromise from low-privileged account.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-46934Same product: Oracle Complex Maintenance Repair And Overhaul
CVE-2024-21034Same product: Oracle Complex Maintenance Repair And Overhaul
CVE-2026-46824Same vendor: Oracle
CVE-2026-61146Same vendor: Oracle
CVE-2026-46958Same vendor: Oracle
CVE-2026-46966Same vendor: Oracle
CVE-2026-46964Same vendor: Oracle
CVE-2026-46933Same vendor: Oracle
CVE-2026-46959Same vendor: Oracle
CVE-2026-61149Same vendor: Oracle

Affected Assets

oracle
complex maintenance repair and overhaul
12.2.3 — 12.2.15

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
  • AC-3 Access Enforcement
  • AC-6 Least Privilege
  • AC-2 Account Management
Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 19 hardening rules · 9 OS baselines
Validate
Prove the fix (OWASP ASVS)
  • V10.3.5
  • V6.2.3
  • V6.4.4
  • V10.4.16

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly enforces approved access control policies to block the unauthorized privilege escalation and application takeover by a low-privileged attacker.

prevent

Enforces least privilege so a low-privileged account cannot reach or abuse the missing authorization checks on critical functions (CWE-269/284/306).

prevent

Manages account privileges and privilege assignments, limiting the initial rights an attacker can leverage to exploit the improper access control flaw.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.AA-03 full match
prevents

Directly requires authentication of users/services/hardware, which eliminates missing authentication for critical functions.

PR.AA-05 mostly match
prevents

PR.AA-05 enforces least privilege/SoD and periodic reviews that directly remove most privilege-assignment defects, yet CWE-269 also covers escalation paths and role design outside a single access-management control.

PR.PS-01 mostly match
prevents

Hardened baselines and deviation monitoring directly eliminate most configuration-induced access-control defects, yet CWE-284 also encompasses code-level and design flaws outside the scope of configuration management alone.

PR.PS-06 mostly match
prevents

Secure SDLC practices catch most access-control defects during design/coding/testing (mostly), yet leave residual risk from runtime configuration, architecture, and operational controls (partial).

PR.AA-01 partial match
prevents

PR.AA-01 supplies credential/identity lifecycle support that can reduce some privilege-assignment errors but does not itself assign, modify, or check privileges, leaving most of CWE-269's risk unaddressed.

PR.DS-01 partial match
prevents

PR.DS-01 encryption mitigates impact of failed access checks on stored data but neither implements nor constrains access-control logic itself.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

prevents

Defining and enforcing explicit access rights and restrictions for each entity directly stops the assignment of permissions that exceed what is required, eliminating the root condition that allows improper access control.

prevents

Formal authorization, role-based provisioning, and timely revocation of access rights directly stop the creation of accounts or permissions that exceed what the business actually needs.

prevents

By enforcing explicit rules on which identities or groups may perform read, write, delete or execute operations and by denying anonymous access to sensitive data, the control directly stops the creation of overly permissive or missing access-control checks.

prevents

The control explicitly calls for authentication before any critical function is reached, eliminating the possibility of bypassing authentication for high-value operations.

prevents

Requiring one-to-one mapping of identities to entities and timely removal of unused identities directly stops attackers from leveraging stale or shared accounts to bypass access restrictions.

prevents

By explicitly transferring security roles and responsibilities when personnel change jobs or leave, the control reduces the chance that former employees retain access rights they no longer need, thereby limiting improper access control.

References