CVE-2026-91242

Analyzed Analyzed - Analysis Complete

Privilege Escalation in Oracle Solaris

Publication date: 2026-10-20

Last updated on: 2026-11-09

Assigner: Oracle

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Plugins). The supported version that is affected is 11.4. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Solaris accessible data as well as unauthorized access to critical data or complete access to all Oracle Solaris accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N).

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Meta Information

Published

2026-10-20

Last Modified

2026-11-09

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91242

EUVD

EUVD-2026-106497

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	solaris	11.4

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Solaris 11.4 that allows a high-privileged attacker with local access to compromise the system. It requires human interaction from someone other than the attacker and can impact additional products. Successful exploitation can lead to unauthorized data creation, deletion, modification, or full access to all Oracle Solaris data.

Impact Analysis

If you use Oracle Solaris 11.4, an attacker with local access could gain control over your system, steal or alter sensitive data, or delete critical files. This could disrupt operations, lead to data breaches, or cause system-wide damage.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, violating GDPR and HIPAA requirements for data protection and integrity. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Apply the latest Oracle Solaris patches from Oracle immediately. Restrict user privileges to minimize attack surface. Monitor logs for suspicious activity related to data access or modification.

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