CVE-2026-91209: Medium severity Oracle Solaris vulnerability
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).
Affected Software
Event History
Frequently Asked Questions
Who is realistically exposed to this issue?
Systems running the supported affected Oracle Solaris 11.4 version are exposed when an attacker can log on with a low-privileged account. The attack is local rather than network-based.
What must an attacker do to exploit it?
The attacker needs low-level privileges on the Oracle Solaris system and exploitation is described as difficult. A person other than the attacker must also perform an unspecified interaction.
What could a successful attack allow?
A successful attack could allow unauthorized reading of a subset of accessible data, unauthorized modification, insertion, or deletion of some accessible data, and a partial denial of service.