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: n/a
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 not available. The vulnerability is not listed in CISA's KEV. Attackers can exploit this flaw remotely over TCP without authentication, likely 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 21, 2026 at 00:14 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 21, 2026 at 00:14 UTC.

Tracking

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Advisories

No advisories yet.

History

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: 2026-10-20T21:21:25.830Z

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

Link: CVE-2026-101537

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-101537

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T00:15:14Z

Weaknesses
  • CWE-20

    Improper Input Validation

  • CWE-284

    Improper Access Control