CVE-2025-10230

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2025-11-07. the CNA's CVSS baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:redhat, epss, ghsa
Elevated
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 40%CVSS: 10.0Exploit: Elevated riskExposed: 0

A fix is available — apply it.

A flaw was found in Samba, in the front-end WINS hook handling: NetBIOS names from registration packets are passed to a shell without proper validation or escaping. Unsanitized NetBIOS name data from WINS registration packets are inserted into a shell command and executed by the Samba Active Directory Domain Controller’s wins hook, allowing an unauthenticated network attacker to achieve remote command execution as the Samba process.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
76(Attend)
EG Risk 76/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity100% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
40%
EPSS %ILE
98%
KEV
Not listed

Published

November 7, 2025

Last Modified

June 29, 2026

Advisory Details (5)

Auto-updated Jul 28, 2026
Patch available. Sources: redhat.
generic

Samba - Security Updates and Information

https://www.samba.org/samba/history/security.html
redhat Patch Available

2394377 – (CVE-2025-10230) CVE-2025-10230 samba: Command Injection in WINS Server Hook Script

https://bugzilla.redhat.com/show_bug.cgi?id=2394377
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2025-10230
generic

CVE-2025-10230: Mitigate Samba Vulnerability - vsociety

https://www.vicarius.io/vsociety/posts/cve-2025-10230-mitigate-samba-vulnerability
generic

CVE-2025-10230: Detect Samba Vulnerability - vsociety

https://www.vicarius.io/vsociety/posts/cve-2025-10230-detect-samba-vulnerability

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuwinbind (2:4.22.3+dfsg-4ubuntu2.1) @ questing2026-05-20ubuntu
ubuntuwinbind (2:4.3.11+dfsg-0ubuntu0.16.04.34+esm4) @ xenial2026-05-20ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 8× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 130 total refreshes for this CVE.

  1. 2026-07-28 15:35 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-10230?
CVE-2025-10230 is a critical vulnerability published on November 7, 2025. A flaw was found in Samba, in the front-end WINS hook handling: NetBIOS names from registration packets are passed to a shell without proper validation or escaping. Unsanitized NetBIOS name data from WINS registration packets are inserted into a shell command and executed by the Samba Active…
When was CVE-2025-10230 disclosed?
CVE-2025-10230 was first published in the National Vulnerability Database on November 7, 2025, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-10230 actively exploited?
CVE-2025-10230 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40% probability of exploitation in the next 30 days, which ranks it in the top 1.5% of all scored CVEs.
What is the CVSS score of CVE-2025-10230?
CVE-2025-10230 has a CVSS v4.0 base score of 10.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2025-10230?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-10230, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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