---
id: CVE-2026-91348
title: >-
  Vulnerability in the Oracle Solaris product of Oracle Systems (component:
  Utility)
summary: >-
  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
  infrastructu…
severity: high
cvss: 8.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
vendor: Oracle Corporation
product: Oracle Solaris
affected:
  - oracle_solaris 11.3
  - oracle_solaris 11.4
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:25:27.662Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91348'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.791Z'
---

## Overview

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).

## Affected

- `oracle_solaris 11.3`
- `oracle_solaris 11.4`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.