November 3, 2021 · Applied Cybernetics Group
CVE-2020-0683 — Microsoft Windows
Microsoft Windows Installer Privilege Escalation Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 96.9th percentile (score 0.313, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2020-0683
CISA short description
Microsoft Windows Installer contains a privilege escalation vulnerability when MSI packages process symbolic links, which allows attackers to bypass access restrictions to add or remove files.
Required action
Apply updates per vendor instructions.