CVE-2024-43451

CRITICALNVD 6.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-11-12), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 6.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 84%CVSS: 6.5Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

NTLM Hash Disclosure Spoofing Vulnerability

CVSS v3
6.5
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: 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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
84%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

November 12, 2024

Last Modified

October 28, 2025

Advisory Details (2)

Auto-updated Jun 12, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43451
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451

Weakness Classification(1)

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

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.

Data Freshness Timeline

(refreshed 88× in last 7d / 359× 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 1,276 total refreshes for this CVE.

  1. 2026-09-19 15:40 UTCEPSS rescore
  2. 2026-09-19 13:19 UTCVendor advisory
  3. 2026-09-19 13:19 UTCGHSA enrichment
  4. 2026-09-19 08:55 UTCVendor advisory
  5. 2026-09-19 08:55 UTCGHSA enrichment
  6. 2026-09-19 04:32 UTCVendor advisory
  7. 2026-09-19 04:32 UTCGHSA enrichment
  8. 2026-09-19 00:09 UTCVendor advisory
  9. 2026-09-19 00:09 UTCGHSA enrichment
  10. 2026-09-18 19:46 UTCEG score recompute
  11. 2026-09-18 19:46 UTCVendor advisory
  12. 2026-09-18 19:46 UTCGHSA enrichment
  13. 2026-09-18 19:26 UTCEPSS rescore
  14. 2026-09-18 19:26 UTCEPSS rescore
  15. 2026-09-18 19:20 UTCCISA KEV update
  16. 2026-09-18 15:23 UTCVendor advisory
  17. 2026-09-18 15:23 UTCGHSA enrichment
  18. 2026-09-18 14:15 UTCCISA KEV update
  19. 2026-09-18 10:59 UTCVendor advisory
  20. 2026-09-18 10:59 UTCGHSA enrichment
  21. 2026-09-18 06:36 UTCVendor advisory
  22. 2026-09-18 06:36 UTCGHSA enrichment
  23. 2026-09-18 02:13 UTCVendor advisory
  24. 2026-09-18 02:13 UTCGHSA enrichment
  25. 2026-09-17 21:50 UTCVendor advisory
Show 75 more
  1. 2026-09-17 21:49 UTCGHSA enrichment
  2. 2026-09-17 17:26 UTCVendor advisory
  3. 2026-09-17 17:26 UTCGHSA enrichment
  4. 2026-09-17 13:03 UTCVendor advisory
  5. 2026-09-17 13:03 UTCGHSA enrichment
  6. 2026-09-17 08:40 UTCVendor advisory
  7. 2026-09-17 08:40 UTCGHSA enrichment
  8. 2026-09-17 04:17 UTCVendor advisory
  9. 2026-09-17 04:17 UTCGHSA enrichment
  10. 2026-09-16 23:54 UTCVendor advisory
  11. 2026-09-16 23:54 UTCGHSA enrichment
  12. 2026-09-16 19:30 UTCVendor advisory
  13. 2026-09-16 19:30 UTCGHSA enrichment
  14. 2026-09-16 15:07 UTCEG score recompute
  15. 2026-09-16 15:07 UTCVendor advisory
  16. 2026-09-16 15:07 UTCGHSA enrichment
  17. 2026-09-16 14:10 UTCCISA KEV update
  18. 2026-09-16 14:06 UTCEPSS rescore
  19. 2026-09-16 10:44 UTCVendor advisory
  20. 2026-09-16 10:44 UTCGHSA enrichment
  21. 2026-09-16 06:20 UTCEG score recompute
  22. 2026-09-16 06:20 UTCVendor advisory
  23. 2026-09-16 06:20 UTCGHSA enrichment
  24. 2026-09-16 05:12 UTCEPSS rescore
  25. 2026-09-16 01:57 UTCVendor advisory
  26. 2026-09-16 01:57 UTCGHSA enrichment
  27. 2026-09-15 21:33 UTCVendor advisory
  28. 2026-09-15 21:33 UTCGHSA enrichment
  29. 2026-09-15 17:09 UTCVendor advisory
  30. 2026-09-15 17:09 UTCGHSA enrichment
  31. 2026-09-15 12:46 UTCVendor advisory
  32. 2026-09-15 12:46 UTCGHSA enrichment
  33. 2026-09-15 08:23 UTCVendor advisory
  34. 2026-09-15 08:23 UTCGHSA enrichment
  35. 2026-09-15 03:59 UTCVendor advisory
  36. 2026-09-15 03:59 UTCGHSA enrichment
  37. 2026-09-14 23:36 UTCVendor advisory
  38. 2026-09-14 23:36 UTCGHSA enrichment
  39. 2026-09-14 19:24 UTCCISA KEV update
  40. 2026-09-14 19:13 UTCVendor advisory
  41. 2026-09-14 19:13 UTCGHSA enrichment
  42. 2026-09-14 14:50 UTCVendor advisory
  43. 2026-09-14 14:50 UTCGHSA enrichment
  44. 2026-09-14 10:26 UTCVendor advisory
  45. 2026-09-14 10:26 UTCGHSA enrichment
  46. 2026-09-14 06:03 UTCVendor advisory
  47. 2026-09-14 06:03 UTCGHSA enrichment
  48. 2026-09-14 01:40 UTCVendor advisory
  49. 2026-09-14 01:40 UTCGHSA enrichment
  50. 2026-09-13 21:16 UTCVendor advisory
  51. 2026-09-13 21:16 UTCGHSA enrichment
  52. 2026-09-13 16:53 UTCVendor advisory
  53. 2026-09-13 16:53 UTCGHSA enrichment
  54. 2026-09-13 12:30 UTCVendor advisory
  55. 2026-09-13 12:30 UTCGHSA enrichment
  56. 2026-09-13 08:07 UTCVendor advisory
  57. 2026-09-13 08:06 UTCGHSA enrichment
  58. 2026-09-13 03:43 UTCVendor advisory
  59. 2026-09-13 03:43 UTCGHSA enrichment
  60. 2026-09-12 23:18 UTCVendor advisory
  61. 2026-09-12 23:18 UTCGHSA enrichment
  62. 2026-09-12 18:55 UTCVendor advisory
  63. 2026-09-12 18:54 UTCGHSA enrichment
  64. 2026-09-12 14:32 UTCVendor advisory
  65. 2026-09-12 14:32 UTCGHSA enrichment
  66. 2026-09-12 10:09 UTCVendor advisory
  67. 2026-09-12 10:09 UTCGHSA enrichment
  68. 2026-09-12 05:45 UTCVendor advisory
  69. 2026-09-12 05:45 UTCGHSA enrichment
  70. 2026-09-12 01:22 UTCVendor advisory
  71. 2026-09-12 01:22 UTCGHSA enrichment
  72. 2026-09-11 20:59 UTCVendor advisory
  73. 2026-09-11 20:59 UTCGHSA enrichment
  74. 2026-09-11 18:49 UTCCISA KEV update
  75. 2026-09-11 16:36 UTCVendor advisory

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 critical 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

Explore the affected products and dependency analysis for CVE-2024-43451

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