CVE-2026-91348

Received Received - Intake

Privilege Escalation in Oracle Solaris

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: Oracle

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility). Supported versions that are affected are 11.3 and 11.4. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.1 Base Score 8.4 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-10-20

Generated

2026-10-21

AI Q&A

2026-10-21

EPSS Evaluated

N/A

NVD

CVE-2026-91348

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle	Corporation	Oracle Solaris 11.3
Oracle	Corporation	Oracle Solaris 11.4

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Solaris versions 11.3 and 11.4 that allows an unauthenticated attacker with local access to compromise the system. Successful exploitation could lead to complete takeover of the Oracle Solaris environment.

Impact Analysis

An attacker could gain full control over the affected Oracle Solaris system, potentially accessing, modifying, or deleting sensitive data, disrupting services, or using the compromised system to launch further attacks.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements such as GDPR or HIPAA. Organizations using affected Oracle Solaris versions should address this to maintain regulatory compliance.

Mitigation Strategies

Apply the latest Oracle Solaris patches from Oracle immediately to address the vulnerability. Ensure all systems running Oracle Solaris 11.3 or 11.4 are updated. Restrict access to the infrastructure where Oracle Solaris executes to minimize exposure.

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