What’s Vulnerable › Vulnerabilities

CVE-2017-0263: Microsoft Win32k Privilege Escalation Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-02-10
• EPSS: 10.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-05-12 · updated 2026-06-17
• Weakness: CWE-416

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."

Affected products

• Microsoft Windows 10 Version 1507: all versions
• Microsoft Windows 10 1511: all versions
• Microsoft Windows 10 1607: all versions
• Microsoft Corporation Windows 10 1703: all versions
• Microsoft Windows 7: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: all versions

References

• http://www.securityfocus.com/bid/98258
• http://www.securitytracker.com/id/1038449
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263
• https://www.exploit-db.com/exploits/44478/
• https://xiaodaozhi.com/exploit/117.html
• http://www.securityfocus.com/bid/98258
• http://www.securitytracker.com/id/1038449
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263
• https://www.exploit-db.com/exploits/44478/
• https://xiaodaozhi.com/exploit/117.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0263

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