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8.8HighExploited CVE-2024-43461 Microsoft

Microsoft Windows MSHTML Platform Spoofing Vulnerability

Windows MSHTML Platform Spoofing Vulnerability

What happened

Windows MSHTML Platform Spoofing Vulnerability

CISA lists it as exploited, added 16 Sep 2024.

NVD description

Does it affect you

Names Microsoft Windows Server. Enter the product and version you run to place it against the affected range the vendor published.

What to do

  • Apply the vendor patch named in this advisory.
    msrc.microsoft.com
  • Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
    cisa.gov

CISA’s notes for this entry:

Affected, as published to NVD

ms-winserver
Microsoft Windows Server: everything below 10.0.14393.7336

The record

Identifier
CVE-2024-43461 · NVD · CVE.org
NVD status
Analyzed
Published
10 Sep 2024, last modified 10 Aug 2026 (NVD)
Severity
CVSS 3.1 base score 8.8, High — computed here from the vector; NVD states 8.8.
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-451 (NVD; names by MITRE)
Exploitation
Listed in CISA’s Known Exploited Vulnerabilities catalogue since 16 Sep 2024; federal remediation due 07 Oct 2024. CISA entry
Exploit probability
EPSS 54.5%, 99th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
Vendor
Microsoft · Windows (CISA)

The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.