March 15, 2022 · Applied Cybernetics Group
CVE-2016-3309 — Microsoft Windows
known ransomware use
Microsoft Windows Kernel Privilege Escalation Vulnerability
- Added to KEV
2022-03-15- Federal due date
2022-04-05- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 97.6th percentile (score 0.432, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2016-3309
CISA short description
A privilege escalation vulnerability exists when the Windows kernel fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.
Required action
Apply updates per vendor instructions.