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CVE-2026-83420: Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where PeopleSoft Enterprise FIN Engineering Brazil executes to compromise PeopleSoft Enterprise FIN Engineering Brazil. Successful attacks of this vulnerability can result in takeover of PeopleSoft Enterprise FIN Engineering Brazil. in Oracle Corporation PeopleSoft Enterprise FIN Engineering Brazil

0
High
VulnerabilityCVE-2026-83420cvecve-2026-83420
Published: 09/15/2026 (09/15/2026, 20:05:30 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: PeopleSoft Enterprise FIN Engineering Brazil

Description

CVE-2026-83420 is a high-severity vulnerability in Oracle PeopleSoft Enterprise FIN Engineering Brazil version 9.1. It allows a low privileged attacker with logon access to the infrastructure to fully compromise the PeopleSoft Enterprise FIN Engineering Brazil application. The vulnerability impacts confidentiality, integrity, and availability, potentially enabling complete takeover of the affected product.

CVSS v3.1

Score 7.8high

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

Oracle Corporation

PeopleSoft Enterprise FIN Engineering Brazil

Affected versions
=9.1

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 23:07:02 UTC

Technical Analysis

This vulnerability affects Oracle PeopleSoft Enterprise FIN Engineering Brazil, specifically version 9.1. It is easily exploitable by an attacker with low privileges who has logon access to the infrastructure where the product runs. Successful exploitation can lead to full compromise of the PeopleSoft Enterprise FIN Engineering Brazil application. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Oracle has included this vulnerability in their September 2026 Critical Security Patch Update advisory, which addresses numerous vulnerabilities across Oracle products.

Potential Impact

An attacker with low privileges and logon access to the infrastructure can exploit this vulnerability to take over the PeopleSoft Enterprise FIN Engineering Brazil application. This results in complete compromise affecting confidentiality, integrity, and availability of the product.

Mitigation Recommendations

Oracle has released security patches as part of the September 2026 Critical Security Patch Update that address this vulnerability. Customers are strongly advised to apply the available patches promptly to remediate the issue. Oracle recommends remaining on actively supported versions and applying security updates without delay. Patch status is confirmed as available via the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-31T15:40:57.358Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]

Threat ID: 6aa9a84855bf5e2cf55381b1

Added to database: 09/15/2026, 20:19:20 UTC

Last enriched: 09/15/2026, 23:07:02 UTC

Last updated: 09/16/2026, 00:14:57 UTC

Views: 3

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