CVE-2017-0263
HIGHCISA KEVEPSS 95th pctlDescription
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."
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 95% of all known CVEs.
Microsoft Win32k Privilege Escalation Vulnerability
Microsoft Win32k contains a privilege escalation vulnerability due to the Windows kernel-mode driver failing to properly handle objects in memory.
Apply updates per vendor instructions.
Remediation due: 2022-08-10
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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0263
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.