Description
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility). The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Solaris. Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Published: 2026-10-20
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Remote code execution
Action: Immediate Patch
AI Analysis

Impact

The vulnerability resides in the Oracle Solaris Utility component and allows an unauthenticated attacker with network access via TCP to compromise the system, potentially leading to full system takeover. CVSS 3.1 base score of 9.8 reflects severe confidentiality, integrity, and availability impacts, classifying it as a critical RCE flaw.

Affected Systems

Oracle Solaris version 11.4 is affected. No other versions are listed.

Risk and Exploitability

CVSS of 9.8 indicates high severity, while the EPSS score is < 1%. The vulnerability is not listed in CISA's KEV. Attackers can exploit this flaw remotely over TCP without authentication, the likely attack vector is via a dedicated service port exposed on the Solaris system. The attack path requires only network connectivity, making it readily exploitable by adversaries with access to the target network segment.

Generated by OpenCVE AI on October 22, 2026 at 12:48 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Install Oracle Solaris 11.4 security update that remedies the Utility component flaw.
  • Restrict or shut down the network interface or port(s) that expose the vulnerable service, limiting access to whitelisted hosts only.
  • Enforce firewall rules to block unsolicited TCP traffic targeting the vulnerable service and monitor for attempts.

Generated by OpenCVE AI on October 22, 2026 at 12:48 UTC.

Tracking

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Advisories

No advisories yet.

History

Thu, 05 Nov 2026 13:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:oracle:solaris:11.4:*:*:*:*:*:*:*

Thu, 22 Oct 2026 11:15:00 +0000

Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Solaris Utility
Weaknesses CWE-20
CWE-284

Wed, 21 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287
CWE-306
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 21 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Solaris Utility
Weaknesses CWE-20
CWE-284

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility). The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Solaris. Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
First Time appeared Oracle
Oracle solaris
CPEs cpe:2.3:a:oracle:solaris:11.4:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle solaris
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

Oracle Solaris
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-21T11:05:29.753Z

Reserved: 2026-09-28T15:40:09.490Z

Link: CVE-2026-101537

cve-icon Vulnrichment

Updated: 2026-10-21T10:55:18.570Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-20T22:18:03.127

Modified: 2026-11-05T13:26:06.877

Link: CVE-2026-101537

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T02:00:16Z

Weaknesses
  • CWE-287

    Improper Authentication

  • CWE-306

    Missing Authentication for Critical Function