CVE-2026-83187

Received Received - Intake

Oracle Common Applications Calendar Unauthorized Data Access

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar). 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 Common Applications Calendar. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Common Applications Calendar accessible data as well as unauthorized read access to a subset of Oracle Common Applications Calendar accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83187

EUVD

EUVD-2026-79539

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	common_applications_calendar	From 12.2.3 (inc) to 12.2.15 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Common Applications Calendar within Oracle E-Business Suite. It affects versions 12.2.3 to 12.2.15. The issue allows a low-privileged attacker with network access to manipulate or read data in the calendar system. The CVSS score is 7.1, indicating high impact on integrity and some on confidentiality.

Detection Guidance

This vulnerability affects Oracle Common Applications Calendar versions 12.2.3 to 12.2.15. Detection requires checking installed versions of Oracle E-Business Suite components. Use Oracle's patching tools or query the database for version details. No specific commands are provided in the CVE details.

Impact Analysis

An attacker could create, delete, or modify critical calendar data or access some sensitive information. This could disrupt business operations or lead to data leaks if calendar data contains confidential details.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, potentially violating GDPR (data protection) or HIPAA (health data privacy) if calendar data includes regulated information. Compliance may be compromised due to unauthorized exposure or tampering.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle E-Business Suite to address the vulnerability in the Oracle Common Applications Calendar component.

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