CVE-2022-21971
KEVMicrosoft Windows Runtime Remote Code Execution Vulnerability
Description
Microsoft Windows Runtime contains an unspecified vulnerability that allows for remote code execution.
Windows Runtime Remote Code Execution Vulnerability
CVSS 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedFeb 9, 2022
Last modifiedJun 17, 2026
Added to KEVAug 18, 2022
Remediation dueSep 8, 2022
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21971US Government Resource
0 recent articles mention this CVE
74
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1510 days
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 53.8% · top 1% of all CVEs
- Weakness
- CWE-824
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.