Microsoft has quietly but decisively reworked how Active Directory domain controllers answer certain Netlogon RPC calls — a change rolled into the July and August 2025 cumulative updates that hardens the Microsoft RPC Netlogon protocol, closes an unauthenticated resource‑exhaustion vector...
active directory
compatibility issues
cve-2025-49716
dcoutages
dns ldap kerberos
idmap ad
netlogon
network segmentation
patch management
rpc netlogon
samba
security hardening
smb/cifs
vendor advisories
windows server
windows server 2022
