Microsoft has begun rolling out KB5121003, its August 2026 Patch Tuesday cumulative replace, for Home windows 11 variations 24H2 and 25H2. The replace strikes techniques to builds 26100.9165 and 26200.9165 and pairs the month’s safety fixes with a batch of quality-of-life adjustments first previewed in July’s elective replace.
Home windows Hi there will get a fingerprint reader increase
The headline change is an enlargement of Windows Hello Enhanced Signal-in Safety. Beforehand restricted to gadgets with built-in fingerprint sensors, ESS now helps appropriate exterior, plug-in fingerprint readers, extending hardware-isolated authentication to desktops and different Home windows 11 PCs, together with Copilot+ machines that lack an onboard sensor. Normal Home windows Hi there already encrypts sign-in knowledge, however ESS goes additional by isolating the biometric course of right into a safe reminiscence house saved separate from the remainder of the working system. Setup runs via Settings, Accounts, Signal-in choices, as soon as a supported reader is plugged in.
File Explorer and search get smaller fixes
File Explorer’s Details view now reveals file sizes in KB, MB, or GB relying on scale, fairly than simply kilobytes throughout the board. Customers also can middle-click folders within the handle bar or Dwelling view to open them in new tabs. Home windows Search picks up higher typo tolerance when matching put in apps, now helps searches ranging from simply two characters, and ranks Settings outcomes to floor extra related choices greater within the listing.
Voice Entry, touchpad, and Copilot+ adjustments
Voice Entry provides a voice isolation mode that filters out background audio system and noise, becoming a member of present choices to filter non-speech sounds solely or apply no filtering in any respect. Precision touchpads acquire adjustable scroll and zoom speeds plus an elective accelerated scrolling toggle. On supported Copilot+ PCs, customers can now take away the picture era AI part independently of the remainder of the system’s AI options by way of Settings, System, and AI parts.
Deployment and different housekeeping
KB5121003 is rolling out mechanically via Home windows Replace. Enterprise IT groups managing gadgets via WSUS or Intune can stage the replace via their common deployment rings, with function rollout persevering with to observe Microsoft’s staged Managed Function Rollout course of. Individually, Microsoft continues to be distributing renewed Safe Boot certificates forward of the unique certificates’ expiration, a rollout underway since June 2026. Home windows 11 24H2 Dwelling and Professional editions attain the tip of updates on October 13, 2026.
