Vulnerability intelligence
CVE-2026-3238
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
—
High
EPSS — Exploit Probability
2.7%
Riskier than 84% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered May 29, 2026 · latest May 29, 2026
Coverage timeline
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Samba Fixes Multiple Flaws with Maximum 10.0 CVSS Scoressecurityonline.info · May 29, 2026