Home › Exploited CVEs › CVE-2017-0263
CVE-2017-0263: Microsoft Win32k Privilege Escalation Vulnerability
Microsoft Win32k · in CISA KEV since 2022-02-10
2022-02-10added to KEV
2022-08-10federal remediation due date
10.03%EPSS exploit probability (30 days) 95.4th percentile
7.8 HIGHCVSS 3.1
Unknownknown ransomware use
1,735days from NVD publication to KEV
What it is
Microsoft Win32k contains a privilege escalation vulnerability due to the Windows kernel-mode driver failing to properly handle objects in memory.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-416 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2017-05-12 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2017-0263.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
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.
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.