CVE-2022-21971

Microsoft Windows — Microsoft Windows Runtime Remote Code Execution Vulnerability
⚠️ CVSS 3.1  7.8 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

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

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971; https://nvd.nist.gov/vuln/detail/CVE-2022-21971

Key Details

PropertyValue
CVE ID CVE-2022-21971
Vendor / Product Microsoft — Windows
NVD Published2022-02-09
NVD Last Modified2025-10-30
CVSS 3.1 Score7.8
CVSS 3.1 VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SeverityHIGH
CWE CWE-824
CISA KEV Added2022-08-18
CISA KEV Deadline2022-09-08
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2022-09-08. Apply updates per vendor instructions.

Timeline

DateEvent
2022-08-18Added to CISA Known Exploited Vulnerabilities catalog
2022-09-08CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2022-21971 Vulnerability Database
CISA KEV Catalog Entry US Government