Live › vulnerability › CVE-2026-87423
Go to dashboardA flaw in the X Window System component of Oracle Solaris 11.4 lets a low-privileged local user read, change or partly disrupt data the system can access. Exploitation is hard and requires the attacker to already have a logon on the machine.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Systems running Oracle Solaris 11.4 with the X Window System component present. The sources describe a local attacker with a logon, so exposure depends on who can log in to the host. Hosts without X Window System installed or without untrusted local users are lower priority.
No product ranges from the sources yet.
pkg info entire on the Solaris host to confirm the installed release is 11.4pkg list | grep -i xorgEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Vulnerability in the Oracle Solaris product of Oracle Systems (component: X Window System). The supported version that is affected is 11.4. Difficult to exploit 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 4.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L).
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