CVEvulnerability

CVE-2022-21971

7.8 HIGH Known exploited Published 2022-02-09 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Windows Runtime Remote Code Execution Vulnerability — Microsoft Windows

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

Added to KEV: 2022-08-18
Remediation due: 2022-09-08
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971; https://nvd.nist.gov/vuln/detail/CVE-2022-21971

Status: Analyzed
Published: 2022-02-09
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses: CWE-824

Description

Windows Runtime Remote Code Execution Vulnerability

Affected configurations

• microsoft windows 10 1809 (< 10.0.17763.2565) • microsoft windows 10 1909 (< 10.0.18363.2094) • microsoft windows 10 20h2 (< 10.0.19042.1526) • microsoft windows 10 21h1 (< 10.0.19043.1526) • microsoft windows 10 21h2 (< 10.0.19044.1526) • microsoft windows 11 21h2 (< 10.0.22000.493) • microsoft windows server 2019 (< 10.0.17763.2565) • microsoft windows server 2022 (< 10.0.20348.524) • microsoft windows server 20h2 (< 10.0.19042.1526)

Weakness · CWE (1)

CWE-824 Access of Uninitialized Pointer weakness

References