What is CVE-2026-87417?

CVE-2026-87417 is a high-severity vulnerability in Oracle Corporation Solaris, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-10-20.

How severe is CVE-2026-87417?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Oracle Corporation Solaris

CVE-2026-87417

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Image Packaging System). The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Solaris. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Solaris accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Vulnerability class: Information Disclosure

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-87417?: CVE-2026-87417 is a high-severity vulnerability in Oracle Corporation Solaris, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-10-20.
How severe is CVE-2026-87417?: High severity. CVSS v3 base score is 7.5 out of 10.