March 3, 2022 · Applied Cybernetics Group
CVE-2021-41379 — Microsoft Windows
known ransomware use
Microsoft Windows Installer Privilege Escalation Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-17- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 77.6th percentile (score 0.010, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-41379
CISA short description
Microsoft Windows Installer contains an unspecified vulnerability that allows for privilege escalation.
Required action
Apply updates per vendor instructions.