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CVE-2026-91256

HIGH
7.1
CVSS Score
Published: October 20, 2026 at 09:24 PM UTC
Updated: October 21, 2026 at 06:44 PM UTC
1 product affected across 1 vendorSolaris

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Severity
HIGH7.1
Exploit prediction
EPSS 0.4%

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Services). The supported version that is affected is 11.4. Easily exploitable vulnerability allows low privileged 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 and unauthorized read access to a subset of Oracle Solaris accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Solaris· Oraclerubygems
98%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://www.oracle.com/security-alerts/cpuoct2026.html

CVSS

7.1HIGHoracle
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS

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