What is the CVSS score of EUVD-2026-89143?

EUVD-2026-89143 has a CVSS 3.1 base score of 9.6 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Is there a patch available for EUVD-2026-89143?

Yes, a patch is available for EUVD-2026-89143. Update the affected software to the latest version immediately.

Ubuntu Linux EUVD-2026-89143

| CVE-2026-95311 CRITICAL

Free of Memory not on the Heap (CWE-590)

2026-09-23 vendor:ubuntu

GHSA-wfg6-jc5r-hcm2

Information Disclosure Google Suse

9.6

CVSS 3.1 · Vendor: vendor:ubuntu

Severity by source

Vendor (vendor:ubuntu) PRIMARY

9.6 CRITICAL

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

SUSE

CRITICAL

qualitative

Primary rating from Vendor (vendor:ubuntu).

CVSS VectorVendor: vendor:ubuntu

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Sep 24, 2026 - 01:40 vuln.today

DescriptionCVE.org

[Unknown description]

AnalysisAI

Ubuntu Linux is the only product implicated by the available reporting for CVE-2026-95311, a record attributed to the Ubuntu vendor security team, but the vulnerability description is unpublished and no CVSS score or vector, CWE classification, CPE identifier, EPSS estimate, or CISA KEV entry accompanies it, so the affected component, version range, and attack vector cannot be stated. No public exploit code has been identified at time of analysis, and there is no evidence of confirmed active exploitation. …

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Vulnerability AssessmentAI

Exploitation	Cannot be determined - the CVE description is unavailable ('[Unknown description]') and no CVSS vector is provided, so no specific product feature, protocol, configuration setting, deployment mode, authentication level, or user-interaction requirement can be identified. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	Risk cannot be meaningfully assessed from the provided data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation	No vendor-released patch identified at time of analysis, and no fixed version number can be cited because no Ubuntu Security Notice or upstream advisory was supplied with this record. … Detailed patch versions, workarounds, and compensating controls in full report.