November 3, 2021 · Applied Cybernetics Group
CVE-2021-1675 — Microsoft Windows
known ransomware use
Microsoft Windows Print Spooler Remote Code Execution Vulnerability
- Added to KEV
2021-11-03- Federal due date
2021-11-17- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 99.7th percentile (score 0.861, as of
2026-09-16) - NVD CVSS v3.1
- 7.8 (HIGH)
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-1675
CISA short description
Microsoft Windows Print Spooler contains an unspecified vulnerability that allows for remote code execution.
Required action
Apply updates per vendor instructions.
NVD description
Windows Print Spooler Remote Code Execution Vulnerability