How severe is CVE-2024-43461?

CVE-2024-43461 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-43461 being actively exploited?

Yes. CVE-2024-43461 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-09-16, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2024-43461?

CVE-2024-43461 primarily affects Microsoft Windows 10 1507. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-43461?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2024-43461 have an EU (EUVD) identifier?

Yes. CVE-2024-43461 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40730. It is also flagged as exploited in the EUVD (since 2024-09-16).

When was CVE-2024-43461 published?

CVE-2024-43461 was published on 2024-09-10 and last updated on 2026-06-17.

CVE-2024-43461

CVE-2024-43461 is a high-severity vulnerability in Microsoft Windows 10 1507 with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-09-16). The underlying weakness is classified as CWE-451.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 52% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-09-16)
EU (EUVD) id: EUVD-2024-40730
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-09-16)
Weakness: CWE-451
Affected product: Microsoft Windows 10 1507
Published: 2024-09-10
Last modified: 2026-06-17

Description

Windows MSHTML Platform Spoofing Vulnerability

Frequently asked questions

What is CVE-2024-43461?: Windows MSHTML Platform Spoofing Vulnerability
How severe is CVE-2024-43461?: CVE-2024-43461 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-43461 being actively exploited?: Yes. CVE-2024-43461 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-09-16, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2024-43461?: CVE-2024-43461 primarily affects Microsoft Windows 10 1507. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-43461?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2024-43461 have an EU (EUVD) identifier?: Yes. CVE-2024-43461 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40730. It is also flagged as exploited in the EUVD (since 2024-09-16).
When was CVE-2024-43461 published?: CVE-2024-43461 was published on 2024-09-10 and last updated on 2026-06-17.

References

Affected products (23)

cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*

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