Microsoft has launched the Home windows 10 KB5075912 prolonged security replace to repair February 2026 Patch Tuesday vulnerabilities, together with six zero-days, and proceed rolling out replacements for expiring Safe Boot certificates.
If you’re operating Home windows 10 Enterprise LTSC or are enrolled within the ESU program, you may set up this replace like regular by going into Settings, clicking on Home windows Replace, and manually performing a ‘Test for Updates.’
Supply: BleepingComputer
After putting in this replace, Home windows 10 will be up to date to construct 19045.6937, and Home windows 10 Enterprise LTSC 2021 might be up to date to construct 19044.6937.
What’s new in Home windows 10 KB5075912
Microsoft is not releasing new options for Home windows 10, and the KB5075912 replace comprises solely security fixes and bug fixes launched by earlier security updates.
With right this moment’s February 2026 Patch Tuesday, Microsoft has mounted 58 vulnerabilities, together with six actively exploited zero-day flaws.
KB5075912 additionally fixes a identified difficulty that prevented Home windows 10 gadgets from shutting down or hibernating if System Guard Safe Launch is enabled.
The entire listing of fixes is under:
- [Fonts] This replace consists of adjustments to Chinese language fonts to fulfill GB18030-2022A compliance.
- [OS Security (known issue)] Mounted: After putting in the Home windows security replace launched on or after January 13, 2026, some Safe Launch-capable PCs with Digital Safe Mode (VSM) enabled are unable to close down or enter hibernation. As a substitute, the system restarts.
- [Folders] Mounted: This replace fixes a problem that impacts folder renaming with desktop.ini information in File Explorer. The LocalizedResourceName setting was ignored, so customized folder names didn’t present. Now, customized folder names seem as anticipated.
- [Graphics] Mounted: A stability difficulty affecting sure graphics processing models (GPUs) configurations.
- [Secure Boot] With this replace, Home windows high quality updates embody a broad set of concentrating on information that identifies gadgets and their capability to obtain new Safe Boot certificates. Units will obtain the brand new certificates solely after they present adequate profitable replace alerts, which helps guarantee a protected and phased rollout.
Since June 2025, Microsoft has warned that a number of Home windows Safe Boot certificates from 2011 are expiring in June 2026, and warned that if they don’t seem to be up to date, it could breach Safe Boot protections.
These certificates are used to validate Home windows boot parts, third-party bootloaders, and Safe Boot revocation updates, and if expired, may enable risk actors to bypass security protections.
As a part of right this moment’s replace, Microsoft continues to roll out the brand new Safe Boot certificates to focused techniques, with updates to extra techniques being put in because the concentrating on scope expands.
Microsoft states that there are not any identified points with this replace.
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