CVE-2026-21928 — MEDIUM (5.3)

Vulnerability 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).

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Oracle	Solaris	11

Related Weaknesses (CWE)

CWE-200

References

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

FAQ

What is CVE-2026-21928?

CVE-2026-21928 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...

How severe is CVE-2026-21928?

CVE-2026-21928 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21928?

Check the references section above for vendor advisories and patch information. Affected products include: Oracle Solaris.