# CVE-2026-101537: Oracle Solaris remote code execution in Utility

Source: https://junglewise.ai/threats/cve-2026-101537-vulnerability-in-the-oracle-solaris-product-of-oracle-systems  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-101537 · Severity: critical · CVSS 9.8 · Published 2026-10-20

Oracle Solaris is the operating system powering enterprise Unix servers and infrastructure. This vulnerability allows an attacker on the network to gain complete control of a Solaris system without authentication, compromising confidentiality, integrity, and availability. An exploit would give an attacker full system access and the ability to install malware, steal data, or disrupt operations.

Technologies: [Oracle Solaris](https://junglewise.ai/threats/technologies/solaris). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-101537 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101537 being exploited in the wild.

**How severe is CVE-2026-101537?** Critical severity, with a CVSS score of 9.8, published 20 October 2026.

**Which products and versions are affected?** Oracle Solaris 11.4.

**Is there a fix for CVE-2026-101537?** 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-2026-101537 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2026-101537?** 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

An easily exploitable vulnerability in the Solaris Utility component permits unauthenticated remote code execution via network access (TCP). The vulnerability allows an attacker with no credentials or user interaction to completely compromise an affected Solaris system. No authentication or special access is required to exploit this flaw.

## Affected products

- Oracle Solaris 11.4

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle Solaris privilege escalation in utility component](https://junglewise.ai/threats/cve-2026-91537-vulnerability-in-the-oracle-solaris-product-of-oracle-systems)
- [Oracle Solaris privilege escalation in Utility component](https://junglewise.ai/threats/cve-2026-91348-vulnerability-in-the-oracle-solaris-product-of-oracle-systems)
- [Oracle Solaris privilege escalation in Utility component](https://junglewise.ai/threats/cve-2026-91336-vulnerability-in-the-oracle-solaris-product-of-oracle-systems)
- [Oracle Solaris denial of service in Libraries component](https://junglewise.ai/threats/cve-2026-91324-vulnerability-in-the-oracle-solaris-product-of-oracle-systems)
- [Oracle Solaris Services denial of service and information disclosure](https://junglewise.ai/threats/cve-2026-91256-vulnerability-in-the-oracle-solaris-product-of-oracle-systems)