Microsoft Win32k Privilege Escalation Vulnerability

HIGH 7.8EXPLOITED (CISA KEV)CVE-2017-0263 · Published 12/05/2017 · updated 17/06/2026

Microsoft Win32k Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/02/2022. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Win32k Microsoft	Versions not published yet (product named by CISA KEV)

Description

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."

References

securityfocus.com/bid/98258 · Broken Link
securitytracker.com/id/1038449 · Broken Link
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263 · Patch
exploit-db.com/exploits/44478 · Exploit
xiaodaozhi.com/exploit/117.html · Exploit
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2017-0263

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