CVE DATABASE / CVE-2017-0263
CVE-2017-0263
Microsoft Win32k Privilege Escalation Vulnerability
Confirmed exploited in the wild. Added 2022-02-10.
Federal remediation due 2022-08-10.
Required action: Apply updates per vendor instructions.
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."
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
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
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.