Windows 11 KB5089573 update released with performance improvements
ID: 820a9f85-0cc3-5939-80ce-6fd54392ae31
STIX ID: report--820a9f85-0cc3-5939-80ce-6fd54392ae31
Feed Name: Bleeping Computer
Microsoft released KB5089573, an optional May 2026 preview cumulative update for Windows 11 (25H2 and 24H2) that delivers performance and reliability improvements including faster app and shell launch, Windows Hello sign-in behavior changes, File Explorer and HID/sensor battery fixes, Task Manager VM CPU display corrections, and phased Secure Boot certificate updates; the article also notes a separate known issue affecting Windows Server 2016 domain controller lookups after a different May update.
Your team is not currently subscribed to this feed. You must subscribe to it in order to see this post.