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CVE-2016-7255: Microsoft Win32k Privilege Escalation Vulnerability
Microsoft Win32k · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2022-05-03federal remediation due date
80.97%EPSS exploit probability (30 days) 99.6th percentile
7.8 HIGHCVSS 3.1
Knownknown ransomware use
1,819days from NVD publication to KEV
What it is
Microsoft Win32k kernel-mode driver fails to properly handle objects in memory which allows for privilege escalation. Successful exploitation allows an attacker to run 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:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2016-11-10 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2016-7255.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.