---
title: "CVE-2026-91348: Oracle Solaris - Remote Code Execution"
description: "Oracle Solaris 11.3 and 11.4 contain a vulnerability in Utility component, allowing unauthenticated attackers with local access to fully compromise the system, exploit requires local logon to the infrastructure."
url: https://panop.io/threat-heartbeat/CVE-2026-91348/
---

# CVE-2026-91348 Oracle Solaris - Remote Code Execution

Oracle Solaris 11.3 and 11.4 contain a vulnerability in Utility component, allowing unauthenticated attackers with local access to fully compromise the system, exploit requires local logon to the infrastructure.

CVSS base score 8.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91348)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Privilege Escalation, Denial Of Service, Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

20 October 2026

Updated

21 October 2026

## Vendor fix

Update to the latest available version beyond 11.4.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-91348](https://nvd.nist.gov/vuln/detail/CVE-2026-91348)
- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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