Vulnerability Details : CVE-2021-40444

Microsoft MSHTML Remote Code Execution Vulnerability
Vulnerability category: Directory traversalExecute code
Published 2021-09-15 12:15:16
Updated 2022-10-14 11:49:51
View at NVD,
At least one public exploit which can be used to exploit this vulnerability exists!
CVE-2021-40444 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft MSHTML Remote Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft MSHTML contains a unspecified vulnerability which allows for remote code execution.
Added on 2021-11-03 Action due date 2021-11-17

Exploit prediction scoring system (EPSS) score for CVE-2021-40444

Probability of exploitation activity in the next 30 days: 97.12%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2021-40444

  • Microsoft Office Word Malicious MSHTML RCE
    Disclosure Date : 2021-09-23
    This module creates a malicious docx file that when opened in Word on a vulnerable Windows system will lead to code execution. This vulnerability exists because an attacker can craft a malicious ActiveX control to be used by a Microsoft Office document that hosts the browser rendering engine.

CVSS scores for CVE-2021-40444

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
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CWE ids for CVE-2021-40444

References for CVE-2021-40444

Products affected by CVE-2021-40444

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