high Known exploitedREV. 01

CVE-2024-43461Windows MSHTML — the interface misstates what a file is

Windows' legacy web rendering platform (MSHTML) presents critical information wrongly in its interface, letting an attacker make a page or file look like something it is not. It was chained with a second flaw.

YOUR NEXT MOVE

Install the Microsoft update for this CVE now; it was chained with a companion flaw, so verify the cumulative update covers both of them.

Read the risk

THE VITAL STATS
CVSS score
8.8/ 10
CVSS v3.1
EPSS probability
54%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2024-09-10
Added to KEV
2024-09-16
Exploit published
Not recorded
Confidence
high
Kill chain
defense evasion
MITRE ATT&CK
—
Severity
high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attacker needsThe user must open attacker-supplied content that the legacy engine renders.

Behind the card

3 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-09-24scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-09-24scrty-crds-pipeline/0.1high
epssapi.first.org2026-09-24scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-09-24claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2024-43461 · CRDS 0.1 · Issued 2026-09-24