Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.
CVE-2021-40444
Microsoft MSHTML Remote Code Execution Vulnerability
Added to KEV November 3, 2021
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2021-40444
- CWE
- CWE-22
- Affected products
- MSHTML · Microsoft MSHTML · Microsoft
What happened
Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution.
What it means for your business
Microsoft MSHTML is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-40444). Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.
Required action
Apply updates per vendor instructions.
CISA due date: November 17, 2021
Sources
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