What is CVE-2024-43461?

CVE-2024-43461 is a high-severity vulnerability in Microsoft Windows 10 1507, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 8.8/10. Published 2024-09-10.

How severe is CVE-2024-43461?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2024-43461 known to be exploited?

Yes. CVE-2024-43461 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-16), indicating it is being actively exploited.

Vulnerability in Microsoft Windows 10 1507

CVE-2024-43461

Windows MSHTML Platform Spoofing Vulnerability

Published 2024-09-10 · last modified 2026-08-10.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.545 (99.0th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.545 · newest: 0.545 · change: 0.000

Affected products

Microsoft Windows 10 1507
Microsoft Windows 10 1607
Microsoft Windows 10 1809
Microsoft Windows 10 21h2
Microsoft Windows 10 22h2
Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
Microsoft Windows 10 Version 1809 — versions 10.0.17763.0
Microsoft Windows 10 Version 21h2 — versions 10.0.19043.0
Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0

Weakness classification (CWE)

CWE-451 — User Interface (UI) Misrepresentation of Critical Information

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2024-09-16. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2024-10-07.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43461 (vendor-advisory, Patch, patch, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2024-43461?: CVE-2024-43461 is a high-severity vulnerability in Microsoft Windows 10 1507, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 8.8/10. Published 2024-09-10.
How severe is CVE-2024-43461?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-43461 known to be exploited?: Yes. CVE-2024-43461 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-16), indicating it is being actively exploited.