CVE-2017-11779: Microsoft Windows 10

High severity, CVSS 8.1. EPSS: 33.1% chance of exploitation in the next 30 days.

The Microsoft Windows Domain Name System (DNS) DNSAPI.dll on Microsoft Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a remote code execution vulnerability when it fails to properly handle DNS responses, aka "Windows DNSAPI 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: version r2 only
• Microsoft Windows Server 2016: any version

Published 2017-10-13. Last modified 2026-06-17.