CVE-2024-43461

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-09-16), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 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: 54%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pct · epss highExposed: 0

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

Windows MSHTML Platform Spoofing Vulnerability

CVSS v3
8.8
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
54%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

September 10, 2024

Last Modified

August 10, 2026

Advisory Details (2)

Auto-updated Jun 1, 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-2024-43461
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-2024-43461

Vendor Advisories for CVE-2024-43461(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 105× in last 7d / 415× 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 1,497 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2024-43461?
CVE-2024-43461 is a critical vulnerability published on September 10, 2024. Windows MSHTML Platform Spoofing Vulnerability
When was CVE-2024-43461 disclosed?
CVE-2024-43461 was first published in the National Vulnerability Database on September 10, 2024, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-43461 actively exploited?
Yes. CISA added CVE-2024-43461 to the Known Exploited Vulnerabilities catalog on September 16, 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-2024-43461?
CVE-2024-43461 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2024-43461?
CVE-2024-43461 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-2024-43461?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-43461, 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

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