Microsoft has launched the Home windows 10 KB5078885 prolonged safety replace to repair the March 2026 Patch Tuesday vulnerabilities, together with 2 zero-days and a problem that stops some units from shutting down.
In case you are working Home windows 10 Enterprise LTSC or are enrolled within the ESU program, you’ll be able to set up this replace like regular by going into Settings, clicking on Home windows Replace, and manually performing a ‘Examine for Updates.’
Supply: BleepingComputer
After putting in this replace, Home windows 10 will be up to date to construct 19045.7058, and Home windows 10 Enterprise LTSC 2021 shall be up to date to construct 19044.7058.
What’s new in Home windows 10 KB5078885
Microsoft is not releasing new options for Home windows 10, and the KB5078885 replace incorporates solely safety fixes and bug fixes launched by earlier safety updates.
With right now’s March 2026 Patch Tuesday, Microsoft has fastened 79 vulnerabilities, together with two actively exploited zero-day flaws.
The whole listing of fixes is under:
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[Windows System Image Manager] This replace provides a warning dialog to assist customers affirm that the chosen catalog file comes from a trusted supply.
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[File History] Improved: File Historical past in Management Panel when backing up recordsdata. New recordsdata with names containing some Chinese language and Non-public Use Space characters can now be backed up.
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[Graphics] Improved: A stability difficulty affecting sure GPU configurations.
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[Secure Boot] With this replace, Home windows high quality updates embrace extra high-confidence machine focusing on knowledge, growing protection of units eligible to routinely obtain new Safe Boot certificates. This focusing on relies totally on shopper machine diagnostic knowledge; on account of restricted knowledge, servers are unlikely to qualify, although not explicitly excluded. Units obtain new certificates solely after demonstrating ample profitable replace alerts, sustaining a managed and phased rollout.
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[Fonts] This replace consists of modifications to Chinese language fonts to fulfill GB18030-2022A compliance.
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[OS Security (known issue)] Fastened: After putting in the Home windows safety 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 an alternative, the machine restarts.
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[Folders] Fastened: This replace fixes a problem that impacts folder renaming with desktop.ini recordsdata in File Explorer. The LocalizedResourceName setting was ignored, so customized folder names didn’t present. Now, customized folder names seem as anticipated.
This replace additionally fixes a recognized difficulty that prevented Home windows 10 units from shutting down or hibernating if System Guard Safe Launch is enabled.
Microsoft can also be persevering with to roll out new Safe Boot certificates to exchange older 2011 certificates that expire in June 2026.
These certificates are used to validate Home windows boot parts, third-party bootloaders, and Safe Boot revocation updates, and if expired, might enable menace actors to bypass safety protections.
Microsoft states that there are not any recognized points with this replace.
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