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active directory security

About this tag
Active Directory security content on WindowsForum.com focuses on critical vulnerabilities and patches affecting Windows Server domain controllers. Recent discussions cover Kerberos KDC remote code execution flaws (CVE-2026-47288), Kerberos elevation-of-privilege defects (CVE-2026-20849), and LDAP tampering threats (CVE-2026-20812). These threads provide guidance for identity and domain administrators on patch management, exploitability assessment, and mitigation strategies for Active Directory authentication components. The tag covers Microsoft Patch Tuesday disclosures, vulnerability scoring, and operational urgency for securing Windows Server environments.
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    CVE-2026-47288 Kerberos KDC RCE: Critical Patch Guidance for Windows Server DCs

    Microsoft disclosed CVE-2026-47288 on June 9, 2026, as a critical Windows Kerberos Key Distribution Center remote code execution flaw affecting supported and extended-support Windows Server domain controller versions from Server 2012 through Server 2025. The bug is not the worst kind of...
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    • active directory security cve patching kerberos kdc windows server
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    • Forum: Security Alerts
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    CVE-2026-20849 Urgent Kerberos Elevation Patch for Windows Active Directory

    Microsoft’s tracking entry for CVE-2026-20849 records an elevation‑of‑privilege defect in the Windows Kerberos authentication stack, but the public advisory is deliberately concise: the vendor confirms the vulnerability’s existence while publishing limited low‑level exploit detail — a disclosure...
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    • active directory security identity protection kerberos security windows patch management
    • Replies: 0
    • Forum: Security Alerts
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    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...
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    • active directory security cve 2026 20812 ldap security windows ldap
    • Replies: 0
    • Forum: Security Alerts
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