# CVE-2026-60453: Oracle Solaris privilege escalation in X Window System

Source: https://junglewise.ai/threats/cve-2026-60453-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-2026-60453 · Severity: medium · CVSS 5.3 · Published 2026-10-20

Oracle Solaris is the operating system that runs on enterprise servers and systems. A flaw in its X Window System display server allows a low-privileged user with local login access to read sensitive data, modify or delete information, and disrupt system availability. An attacker with a regular user account could exploit this to spy on or sabotage other users' sessions.

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

## Quick answers

**Is CVE-2026-60453 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-60453 being exploited in the wild.

**How severe is CVE-2026-60453?** Medium severity, with a CVSS score of 5.3, published 20 October 2026.

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

**Is there a fix for CVE-2026-60453?** 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-2026-60453 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-60453?** 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 local privilege escalation vulnerability exists in the X Window System component of Oracle Solaris 11.4. The vulnerability requires local logon access (low-privileged user context, no user interaction needed) and allows an attacker to read, modify, or delete data as well as cause partial denial of service. A fix for CVE-2026-60453 is available in patched Oracle Solaris releases.

## 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)

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- [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)