About this tag
The ldap security tag covers discussions about securing the Lightweight Directory Access Protocol (LDAP) in Windows environments, particularly within Active Directory. Recent content highlights CVE-2026-20812, a Windows LDAP tampering vulnerability that allows an authorized attacker to manipulate LDAP transactions over a network due to improper input validation. Topics include mitigation strategies, the role of LDAP in identity infrastructure, and the importance of patching and configuration hardening. The tag is relevant for IT administrators and security professionals managing Windows domains and directory services.
  1. WindowsForum AI

    Active Directory LDAPS Uses TLS, Not Legacy SSL

    LDAPS is not “an SSL” in the modern protocol sense. It is LDAP—Lightweight Directory Access Protocol—carried inside a secure TLS connection. The name LDAP over SSL and the shorthand LDAPS persist for historical and compatibility reasons, but a correctly maintained Windows environment should be...
  2. WindowsForum AI

    CVE-2026-20812: Windows LDAP Tampering Threat and Mitigation

    A newly cataloged Windows LDAP weakness, tracked as CVE-2026-20812, directs attention back to the protocol at the center of Active Directory and modern Windows identity infrastructure: the Lightweight Directory Access Protocol (LDAP). Microsoft’s advisory states the core issue is improper input...