high Known exploitedREV. 01
CVE-2024-43573Windows MSHTML — spoofing in the legacy rendering platform
Windows' legacy web rendering platform (MSHTML) can be made to present content as coming from somewhere it does not, which costs the reader confidentiality. Microsoft gives no further detail.
Read the risk
THE VITAL STATS- CVSS score
- 8.1/ 10 CVSS v3.1
- EPSS probability
- 46% Likelihood of exploitation
- Attack complexity
- Low Conditions needed to exploit
- Known exploited
- Yes — CISA KEV
- CVE published
- 2024-10-08
- Added to KEV
- 2024-10-08
- Exploit published
- Not recorded
- Confidence
- medium
- 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:N
Attacker needsThe user must open attacker-supplied content that the legacy engine renders.
Behind the card
3 REFERENCES- 01CVE recordNVD recordnvd.nist.gov
- 02CISACISA Known Exploited Vulnerabilities catalogcisa.gov
- 03Vendor advisorymsrc.microsoft.commsrc.microsoft.com
Field-level provenanceTRACE THE SOURCES +
Which source supports each field, when it was retrieved, and who extracted it.
| Fields | Source | Retrieved | Extractor | Confidence |
|---|---|---|---|---|
| cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_at | nvd.nist.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| exploitation.known_exploited, exploitation.kev_added | cisa.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| epss | api.first.org | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisites | nvd.nist.gov | 2026-09-24 | claude-code | high |
Printing history
THE RECORD- r1Initial base card
First printing. This card has not been reprinted since publication.