The active exploitation of CVE-2026-41089, a stack-based buffer overflow in Windows Netlogon, marks a sharp escalation from the May 2026 Patch Tuesday disclosure. While the SecurityWeek report highlights CCB's warning of unauthenticated remote code execution on domain controllers, it underplays the vulnerability's alignment with historical Netlogon attack patterns, notably the 2020 Zerologon (CVE-2020-1472) campaign that enabled full domain compromise without credentials. Microsoft initially assessed low exploitation likelihood, yet real-world deployment by threat actors demonstrates how attackers prioritize core authentication services for persistence and lateral movement. This flaw's unauthenticated vector allows immediate System-level control, enabling downstream effects like ticket forgery, credential dumping, and ransomware deployment across hybrid environments. Cross-referencing Microsoft’s advisory with CCB data and prior CISA alerts on similar DC weaknesses reveals missed indicators: the service's ubiquity in enterprise forests makes it a high-value target for state actors and ransomware groups alike, potentially disrupting critical infrastructure reliant on Active Directory. Organizations delaying patches face cascading risks, including supply-chain style propagation through managed service providers.