CVE-2021-40444β€”Microsoft MSHTML Remote Code Execution Vulnerability

PUBLISHEDvulnerability record
2021-11-03 Β· last modified June 21, 2025

Metadata

CVE ID:
CVE-2021-40444
Project:
Microsoft
Product:
MSHTML
Date Added:
2021-11-03
Due Date:
2021-11-17
Last Updated:
June 21, 2025

Vulnerability Name

Microsoft MSHTML Remote Code Execution Vulnerability

Description

Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
KNOWN

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2021-40444

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