What is CVE-2026-87422?

CVE-2026-87422 is a low-severity vulnerability in Oracle Corporation Solaris, classified under Improper Authorization. CVSS score: 2.5/10. Published 2026-10-20.

How severe is CVE-2026-87422?

Low severity. CVSS v3 base score is 2.5 out of 10.

Auth bypass in Oracle Corporation Solaris

CVE-2026-87422

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Services). The supported version that is affected is 11.4. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Solaris accessible data. CVSS 3.1 Base Score 2.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N).

Published 2026-10-20 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Oracle Corporation Solaris — versions 11.4

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-87422?: CVE-2026-87422 is a low-severity vulnerability in Oracle Corporation Solaris, classified under Improper Authorization. CVSS score: 2.5/10. Published 2026-10-20.
How severe is CVE-2026-87422?: Low severity. CVSS v3 base score is 2.5 out of 10.