CVE-2026-87413: Oracle Solaris filesystem denial of service

CVE-2026-87413 · Severity: medium · CVSS 5.5 · Published 2026-10-20

Oracle Solaris is the operating system that runs enterprise servers and storage infrastructure. This vulnerability in the filesystem component allows a low-privileged user with system access to crash or hang the entire operating system, causing a denial of service. An attacker would need legitimate login credentials to the affected system to exploit this flaw.

Technologies: Oracle Solaris. Vendors: Oracle.

Quick answers

Is CVE-2026-87413 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-87413 being exploited in the wild.
How severe is CVE-2026-87413?
Medium severity, with a CVSS score of 5.5, published 20 October 2026.
Which products and versions are affected?
Oracle Solaris 11.4.
Is there a fix for CVE-2026-87413?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-87413 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-87413?
Check whether you run Oracle Solaris at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A vulnerability in Oracle Solaris's filesystem component allows a low-privileged attacker with local access to trigger a denial of service through a hang or crash. The attack requires logon to the system and no user interaction; exploitation results solely in availability impact with no confidentiality or integrity compromise. A fix status was not disclosed in the available advisory information.

Affected products

  • Oracle Solaris 11.4

Timeline

  • 2026-10-20: disclosed

References

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