Vulnerability intelligence

CVE-2026-3238

Red Hat Red Hat Enterprise Linux 10 CWE-476

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.

CVSS Score

7.5

High

EPSS — Exploit Probability

2.7%

Riskier than 85% of all CVEs · checked 2026-09-09

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

unknown

Check vendor advisories