Oracle Solaris 11.4 X Window System improper authorization

Summaryinfo

A vulnerability has been found in Oracle Solaris 11.4 and classified as very critical. Affected is an unknown function of the component X Window System. The manipulation leads to improper authorization. This vulnerability is uniquely identified as CVE-2026-60453. Local access is required to approach this attack. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Oracle Solaris 11.4. This issue affects an unknown part of the component X Window System. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability in the Oracle Solaris product of Oracle Systems (component: X Window System). The supported version that is affected is 11.4. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Solaris accessible data as well as unauthorized read access to a subset of Oracle Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Solaris. CVSS 3.1 Base Score 5.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).

It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2026-60453 since 07/08/2026. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/21/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Operating System

Vendor

• Oracle

Name

• Solaris

Version

• 11.4

License

• commercial

Website

• Vendor: https://www.oracle.com

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