CVE-2026-101537: Critical severity Oracle Solaris vulnerability

Published Oct 20, 2026

Updated

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).

Affected Software

2 affected components

Oracle Solaris=11.4

Event History

Oct 20, 2026

CVE Published

via MITRE·09:21 PM

Data Sourced

via MITRE·09:21 PM

DescriptionSeverity

Data Sourced

via NVD·10:18 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

Who can exploit this vulnerability?

An unauthenticated attacker with network access to the affected Oracle Solaris system over TCP can exploit it. No privileges or user interaction are required.

Which systems are affected?

The affected supported Oracle Solaris version identified in the advisory is 11.4, in the Utility component.

What is the potential impact of successful exploitation?

Successful exploitation can result in takeover of Oracle Solaris, with high impacts to confidentiality, integrity, and availability.