CVE-2024-43461

HIGHNVD 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
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 52%CVSS: 8.8Exploit: NoneExposed: 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)
EPSS
98.8%
KEV
⚠ Exploited

Published

September 10, 2024

Last Modified

October 28, 2025

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 136× in last 7d / 583× 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 827 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2024-43461?
CVE-2024-43461 is a high 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 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-2024-43461 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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