Live › vulnerability › CVE-2026-91209
Go to dashboardA flaw in the X Window System component of Oracle Solaris 11.4 lets a low-privileged local user with logon access affect data the system can reach. The attacker can read, change or delete some data and partly disrupt service, but only when another person takes part in the attack.
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 installed and users who log on locally can be exposed. Servers without a graphical session or X components installed are less likely to be reachable by this path. The sources do not say which X configuration is required.
No product ranges from the sources yet.
pkgparam or pkg info entire on the Solaris host to confirm the installed release is 11.4Each 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 require human interaction from a person other than the attacker. 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 4.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L).
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