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CVE-2016-3309: Microsoft Windows Kernel Privilege Escalation Vulnerability
Microsoft Windows · in CISA KEV since 2022-03-15
2022-03-15added to KEV
2022-04-05federal remediation due date
20.47%EPSS exploit probability (30 days) 97.4th percentile
7.8 HIGHCVSS 3.1
Knownknown ransomware use
2,044days from NVD publication to KEV
What it is
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 (CISA)
Apply updates per vendor instructions.
| CWE | CWE-264 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2016-08-09 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2016-3309.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.