CISA KEVRansomware Use Known

CVE-2021-40444

Microsoft MSHTML Remote Code Execution Vulnerability

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

VendorMicrosoft

ProductMSHTML

EPSS97.5%

Added to KEVNov 03, 2021

Remediation DueNov 17, 2021

Known Ransomware UseYes

CWECWE-22

Required Action

Apply updates per vendor instructions.

From Disclosure to Action

Know how quickly you need to move.

For CVE-2021-40444, added to the catalogue on Nov 03, 2021 with a remediation deadline of Nov 17, 2021.

Added to KEVNov 03, 2021

Seraph AlertSame day

Remediation DueNov 17, 2021

ValidationOngoing

Overdue1806 days overdue

Recommended action: Apply vendor remediation guidance.

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