Quick answers
- Is CVE-2026-91324 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91324 being exploited in the wild.
- How severe is CVE-2026-91324?
- Medium severity, with a CVSS score of 4.7, published 20 October 2026.
- Which products and versions are affected?
- Oracle Solaris 11.4.
- Is there a fix for CVE-2026-91324?
- 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-2026-91324 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-91324?
- 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 difficult-to-exploit local denial-of-service vulnerability exists in Oracle Solaris 11.4 Libraries component. An unauthenticated attacker with logon access to the infrastructure can exploit this flaw to cause system hangs or repeated crashes through user interaction, resulting in availability loss with no confidentiality or integrity impact.
Affected products
- Oracle Solaris 11.4
Timeline
- 2026-10-20: disclosed