CVE-2026-91244: Medium severity Oracle Solaris vulnerability
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Services). 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 4.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).
Affected Software
Event History
Frequently Asked Questions
Can this be exploited remotely by an unauthenticated attacker?
No. The CVSS vector identifies the attack as local and requires a low-privileged attacker with logon access to the infrastructure running Oracle Solaris.
What is the practical security impact if exploitation succeeds?
The documented impact is availability only: an attacker may cause Oracle Solaris to hang or crash repeatedly, resulting in a complete denial of service. No confidentiality or integrity impact is listed.
How difficult is exploitation expected to be?
Exploitation is rated as high complexity. It does not require user interaction, but it does require local authenticated access with low privileges.