CVE-2026-21928

Medium

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Solaris. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Solaris accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

SeverityMedium

CVSS5.3

Exploit probability—

Product

Oracle Solaris

PublishedJan 20, 2026

First seenJan 20, 2026

Weakness typeCWE-200Sensitive information exposure

How to fix

Vendor advisories

oracle.com/security-alerts/cpujan2026.html

Affected products

Product	Affected versions	Fixed in
oracle solaris	11	—

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