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CVE-2017-0263

HighPublished

Microsoft Win32k Privilege Escalation Vulnerability

Published: May 12, 2017
Updated: Oct 21, 2025
Assigning CNA: microsoft
Evidence observed: Mar 26, 2018

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

10.0%

Moderate · next 30 days

Percentile: 95.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

Sources

cve-2017-0263-pocPoC
poc for 0263
Microsoft Windows Manager (7 x86) - Menu Management Component UAF Privilege ElevationExploit
xiaodaozhi · windows_x86 · Mar 26, 2018

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