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CVE Watch—

CVE-2021-33742

Microsoft Windows MSHTML Platform Remote Code Execution Vulnerability

CVSS

—

No CVSS

EPSS

59.1%

p99

KEV

YES

Nov 3, 2021

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
59.1%EPSS · 30 days59.1%
2026-08-022026-08-31
KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows MSHTML Platform Remote Code Execution Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

Nov 17, 2021

Known ransomware use

No

Summary description

Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for remote code execution.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-33742

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