CVE-2024-43451

MEDIUMNVD 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
6.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 82%CVSS: 6.5Exploit: NoneExposed: 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
99.6%
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 84× in last 7d / 355× 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 631 total refreshes for this CVE.

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

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

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