CVE-2026-21928

Name: CVE-2026-21928
Creator: NVD / NIST
Published: 2026-01-20T22:15:55.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2026-21928 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.28%

19.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Oracle	Solaris	11

References

https://www.oracle.com/security-alerts/cpujan2026.htmlVendor Advisory

Timeline

Published: Jan 20, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-21928?

How severe is CVE-2026-21928?

CVE-2026-21928 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2026-21928?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-21928?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST