Quick answers
- Is CVE-2026-91348 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91348 being exploited in the wild.
- How severe is CVE-2026-91348?
- High severity, with a CVSS score of 8.4, published 20 October 2026.
- Which products and versions are affected?
- Oracle Solaris 11.3, 11.4.
- Is there a fix for CVE-2026-91348?
- 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-2026-91348 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-91348?
- 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 local privilege escalation vulnerability exists in the Solaris Utility component, exploitable by an unauthenticated attacker with local logon access to the system. The attack requires no user interaction and results in complete system compromise with full confidentiality, integrity, and availability impact. The vulnerability affects Solaris 11.3 and 11.4.
Affected products
- Oracle Solaris 11.3, 11.4
Timeline
- 2026-10-20: disclosed