CVE-2017-0166: Microsoft Windows 10

High severity, CVSS 8.1. EPSS: 6.4% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists in Windows when LDAP request buffer lengths are improperly calculated. In a remote attack scenario, an attacker could exploit this vulnerability by running a specially crafted application to send malicious traffic to a Domain Controller, aka "LDAP Elevation of Privilege Vulnerability."

Affected products

• Microsoft Windows 10: any version; version 1511 only; version 1607 only; version 1703 only
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8.1: any version
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2008: any version; version r2 only
• Microsoft Windows Server 2012: any version; version r2 only
• Microsoft Windows Server 2016: any version
• Microsoft Windows Vista: affected versions not specified

Published 2017-04-12. Last modified 2026-06-17.