Microsoft published KB5105752 on June 18, 2026, warning that JScript globals, polyfills, and execution context loaded across multiple scripts may not persist on Windows 11 24H2, Windows 11 25H2, and Windows Server 2025 unless administrators enable a registry-controlled compatibility feature. The...
application compatibility
enterprise it
it administration
it registry policy
jscriptpersistencejscript9legacy
security hardening
windows 11 24h2
windows 11 25h2
windows server 2025
windows updates
