CVE WatchOct 20, 2026

CVE-2026-91255

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11.4. Easily

CVSS

7.5

High

EPSS

—

KEV

—

Exploit Today

0-100

Published: Oct 20, 2026 · Last modified: Oct 20, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Official references

www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2026.html

Related CVEs

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