CVE-2026-87421 — HIGH (7.1)

Vulnerability Description

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 require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Solaris accessible data as well as unauthorized update, insert or delete access to some of Oracle Solaris accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N).

CVSS Score

7.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-285

References

https://www.oracle.com/security-alerts/cpuoct2026.html

FAQ

What is CVE-2026-87421?

CVE-2026-87421 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 unauthentic...

How severe is CVE-2026-87421?

CVE-2026-87421 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-87421?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.