CVE-2026-21928: Infoleak

Published Jan 20, 2026
·
Updated

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).

Affected Software

2 affected components
Oracle Solaris
Oracle Solaris=11

Event History

Jan 20, 2026
CVE Published
via MITRE·09:56 PM
Data Sourced
via MITRE·09:56 PM
DescriptionSeverity
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-21928?

CVE-2026-21928 is classified as an easily exploitable vulnerability in Oracle Solaris 11.

2

How do I fix CVE-2026-21928?

To remediate CVE-2026-21928, ensure that your Oracle Solaris 11 system is updated with the latest security patches from Oracle.

3

What systems are affected by CVE-2026-21928?

CVE-2026-21928 affects the Oracle Solaris product, specifically version 11.

4

Who can exploit CVE-2026-21928?

CVE-2026-21928 can be exploited by unauthenticated attackers with network access via TCP.

5

What types of attacks can CVE-2026-21928 enable?

Successful exploitation of CVE-2026-21928 allows attackers to compromise the Oracle Solaris system.

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