August 18, 2022 · Applied Cybernetics Group
CVE-2022-21971 — Microsoft Windows
Microsoft Windows Runtime Remote Code Execution Vulnerability
- Added to KEV
2022-08-18- Federal due date
2022-09-08- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 99.0th percentile (score 0.539, as of
2026-10-04) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- ATT&CK
- T1059 , T1204.001 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2022-21971
CISA short description
Microsoft Windows Runtime contains an unspecified vulnerability that allows for remote code execution.
Required action
Apply updates per vendor instructions.