CVE-2026-3238

Name: CVE-2026-3238
Creator: NVD / NIST
Published: 2026-06-08T09:16:30.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.64%

Last modified Jun 17, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

Description

A flaw was found in Samba’s WINS server component when running as an Active Directory Domain Controller. The WINS protocol handlers for certain request types did not properly validate incoming packets, allowing an unauthenticated remote attacker to trigger a NULL pointer dereference and crash the WINS service using specially crafted UDP packets.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.64%

83.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

References

https://access.redhat.com/security/cve/CVE-2026-3238
https://bugzilla.redhat.com/show_bug.cgi?id=2486176
https://www.samba.org/samba/security/CVE-2026-3238.html

Timeline

Published: Jun 8, 2026
Last Modified: Jun 17, 2026
Status: Awaiting Analysis

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Source: NVD / NIST