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high advisory

Microsoft Security Updates — July 2026

Roundup of Microsoft security advisories published in July 2026.

PoC PowerShell +516 roundup
10c 227i updated
high advisory

Suspicious Kerberos Authentication Ticket Request

This rule detects suspicious Kerberos authentication ticket requests by correlating network connections to the standard Kerberos port (88) from a source machine with a Kerberos authentication ticket request from the target domain controller, which could indicate lateral movement or credential access attempts within a Windows domain.

Elastic Defend +4 lateral-movement threat-detection windows
2r 2t