CVE-2017-8591: Microsoft Windows 10

High severity, CVSS 7.8. EPSS: 4% chance of exploitation in the next 30 days.

Windows Input Method Editor (IME) in Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an remote code execution vulnerability when it fails to properly handle objects in memory, aka "Windows IME Remote Code Execution Vulnerability".

Affected products

• Microsoft Windows 10: affected versions not specified; version 1511 only; version 1607 only; version 1703 only
• Microsoft Windows 8.1: any version
• Microsoft Windows Rt 8.1: any version
• Microsoft Windows Server 2012: any version; version r2 only
• Microsoft Windows Server 2016: any version

Published 2017-08-08. Last modified 2026-06-17.