Microsoft ships Windows 11 KB5127648 with eight Bluetooth fixes
The October 13, 2026 cumulative update also addresses Windows Hello fingerprint sign-in, mouse stutter in games, and an Always On VPN bug from KB5124008.
Microsoft released Windows 11 cumulative update KB5127648 on October 13, 2026, according to windowscentral.com. The update bundles eight Bluetooth improvements aimed at making connections to Bluetooth devices more reliable, alongside a set of fixes for other parts of the operating system.
Among the repairs is a fix for Windows Hello fingerprint sign-in failing after a cold boot on some computers. The update also addresses mouse input stuttering reported in some games.
Printing and VPN fixes
Microsoft fixed printing problems affecting some apps and devices that use RAW or Generic Text Only printer drivers, an issue that appeared after the August 2026 Security Update. The update also resolves an Always On VPN issue introduced by the earlier KB5124008 update, which could leave connections stuck on Connecting or cause the first connection attempt to fail.
Separately, the release fixes a File Explorer problem affecting some multi-user environments, including Azure Virtual Desktop deployments that use FSLogix.
Quick answers
What is KB5127648?
It is a cumulative update for Windows 11 that Microsoft released on October 13, 2026.
Does KB5127648 fix mouse stuttering in games?
Yes. The update fixes mouse input stuttering reported in some games.
Does the update fix Always On VPN connection problems?
Yes. It addresses an issue introduced by KB5124008 that could leave connections stuck on Connecting or make the first attempt fail.