Live › vulnerability › CVE-2022-21971
Go to dashboardMicrosoft Windows Runtime has an unspecified flaw that allows remote code execution. Listed in CISA's known-exploited catalog, so attackers are using it in real attacks.
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 | – | – |
| microsoft windows 10 1809 | vendor | < 10.0.17763.2565 | 10.0.17763.2565 |
| microsoft windows 10 1909 | vendor | < 10.0.18363.2094 | 10.0.18363.2094 |
| microsoft windows 10 20h2 | vendor | < 10.0.19042.1526 | 10.0.19042.1526 |
| microsoft windows 10 21h1 | vendor | < 10.0.19043.1526 | 10.0.19043.1526 |
| microsoft windows 10 21h2 | vendor | < 10.0.19044.1526 | 10.0.19044.1526 |
| microsoft windows 11 21h2 | vendor | < 10.0.22000.493 | 10.0.22000.493 |
| microsoft windows server 2019 | vendor | < 10.0.17763.2565 | 10.0.17763.2565 |
| microsoft windows server 2022 | vendor | < 10.0.20348.524 | 10.0.20348.524 |
| microsoft windows server 20h2 | vendor | < 10.0.19042.1526 | 10.0.19042.1526 |
Unknown from the sources.
Apply the Microsoft Windows updates per vendor instructions, as CISA requires; the sources do not name the patched build.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows Runtime 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-2022-21971")
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.