Microsoft released KB5094127 for Windows 10 as part of the June 2026 Patch Tuesday cycle. The update targets users enrolled in the Extended Security Updates program, where it installs automatically to maintain system security. Windows 10 systems not enrolled in the Extended Security Updates program install this update via conventional methods or optional channels.
File Explorer search now supports Chinese characters in results without requiring a Byte Order Mark on UTF-8 files.
The release addresses two primary areas: File Explorer search functionality and Secure Boot reporting. Microsoft updated how the operating system handles text encoding during file searches. The company also enabled dynamic status reporting for Secure Boot within the Windows Security App.
File Explorer now supports Chinese characters in search results without requiring a Byte Order Mark on UTF-8 files. Users see clearer display outcomes across both result lists and tooltips when querying encoded documents. The update resolves prior issues where specific non-ASCII text encodings failed to display properly in File Explorer search results.
The update enables Secure Boot dynamic status reporting directly inside the Windows Security App interface. A new policy setting called LimitSecureBootRequiredServiceData lets administrators control how much Secure Boot service data sends to Microsoft servers. High confidence device targeting data also expands coverage for automatic Secure Boot certificate eligibility across more hardware configurations.
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