Quick answers
- Is CVE-2026-91244 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91244 being exploited in the wild.
- How severe is CVE-2026-91244?
- 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-2026-91244?
- 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-2026-91244 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-91244?
- 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 privilege vulnerability exists in the Oracle Solaris Services component affecting version 11.4. A low-privileged authenticated attacker can trigger a denial of service through repeated crashes or system hangs. Exploitation requires local access and elevated complexity, but results in complete availability loss.
Affected products
- Oracle Solaris 11.4
Timeline
- 2026-10-20: disclosed