CVE-2022-21971 HIGH

CVE-2022-21971: Windows Runtime Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 10 Version 1809
KEV Status Known Exploited
Published February 9, 2022
Last update October 21, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Windows Runtime Remote Code Execution Vulnerability

CISA mandated remediation

02CISA Required Action

Apply updates per vendor instructions.

Key dates

03Disclosure timeline

February 9, 2022 CVE published
October 21, 2025 Record updated