CVE-2024-43451

MEDIUMNVD 6.59.0▲Trending — 5 sources updated this weekExploited in the wild

6.5

NTLM Hash Disclosure Spoofing Vulnerability

CVSS v3: 6.5
EG Score: 9.0(high)
EPSS: 99.6%
KEV: ⚠ Exploited

Published

November 12, 2024

Last Modified

October 28, 2025

References (2)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43451

Weakness Classification(1)

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

CWE-73

All Vendor Advisories

(1)

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.

Microsoft MSRCCVE-2024-434512024-11-12
NTLM Hash Disclosure Spoofing Vulnerability

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 21:44 UTCEG score recompute
2026-06-03 21:44 UTCVendor advisory
2026-06-03 21:44 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 17:21 UTCEG score recompute
2026-06-03 17:21 UTCVendor advisory
2026-06-03 17:21 UTCGHSA enrichment
2026-06-03 12:58 UTCEG score recompute
2026-06-03 12:58 UTCVendor advisory
2026-06-03 12:58 UTCGHSA enrichment
2026-06-03 08:35 UTCEG score recompute
2026-06-03 08:35 UTCVendor advisory
2026-06-03 08:35 UTCGHSA enrichment
2026-06-03 04:11 UTCEG score recompute
2026-06-03 04:11 UTCVendor advisory
2026-06-03 04:11 UTCGHSA enrichment
2026-06-02 23:48 UTCEG score recompute
2026-06-02 23:48 UTCVendor advisory
2026-06-02 23:48 UTCGHSA enrichment
2026-06-02 19:25 UTCEG score recompute

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCRonF98/CVE-2024-43451-POC
First seen Jan 20, 2025
CVE-2024-43451 is a Windows NTLM vulnerability that allows an attacker to force authentication and capture NTLM hashes by using malicious shortcuts.
Open source ↗

Frequently asked(6)

What is CVE-2024-43451?

CVE-2024-43451 is a medium vulnerability published on November 12, 2024. NTLM Hash Disclosure Spoofing Vulnerability

When was CVE-2024-43451 disclosed?

CVE-2024-43451 was first published in the National Vulnerability Database on November 12, 2024, with the most recent update on October 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-43451 actively exploited?

Yes. CISA added CVE-2024-43451 to the Known Exploited Vulnerabilities catalog on November 12, 2024, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2024-43451?

CVE-2024-43451 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2024-43451?

CVE-2024-43451 affects Microsoft Windows. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2024-43451?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-43451, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-43451

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