Live › vulnerability › CVE-2021-33742
Go to dashboardMicrosoft Windows MSHTML Platform, the browser engine component used by Windows, has a remote code execution flaw. Attackers are exploiting it in the wild, so a crafted file or page can run code on the affected machine.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Windows | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Apply the Microsoft security update for CVE-2021-33742 per vendor instructions, as CISA requires.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for remote code execution.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2021-33742")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.