Microsoft has discovered no hyperlink between the August 2025 KB5063878 safety replace and buyer stories of failure and knowledge corruption points affecting solid-state drives (SSDs) and arduous disk drives (HDDs).
Redmond first advised BleepingComputer final week that it’s conscious of customers reporting SSD failures after putting in this month’s Home windows 11 24H2 safety replace.
In a subsequent service alert seen by BleepingComputer, Redmond stated that it was unable to breed the problem on up-to-date programs and commenced accumulating person stories with further particulars from these affected.
“After thorough investigation, Microsoft has discovered no connection between the August 2025 Home windows safety replace and the varieties of arduous drive failures reported on social media,” Microsoft stated in an replace to the service alert this week.
“As all the time, we proceed to watch suggestions after the discharge of each Home windows replace, and can examine any future stories.”
The corporate has additionally labored with storage machine companions to breed the problem, however famous that neither telemetry nor inside testing has revealed a rise in disk failures or file corruption after putting in this month’s Home windows 11 24H2 safety replace.
A number of arduous drive fashions reportedly impacted
This challenge was first reported final week by Japanese customers who skilled SSD points throughout heavy write operations (like writing giant recordsdata or many recordsdata directly) to drives that have been over 60% full on units with this month’s Home windows 11 24H2 safety replace put in.
Others have additionally encountered the identical challenge on programs with Corsair Power MP600, Maxio SSD, SanDisk Excessive Professional, Kioxia Exceria Plus G4, Kioxia M.2, and different drives with InnoGrit and Phison controllers.
In accordance with stories from affected customers, whereas a few of the impacted drives acquired revived after restarting the pc, the remainder remained inaccessible even after a system reboot.
A spokesperson for NAND controller maker Phison advised BleepingComputer on Wednesday that the corporate was “working with Microsoft to resolve the problem.”
“We perceive the disruption this will likely have brought on and promptly engaged business stakeholders. [..] Right now, the controllers which will have been affected are below overview and we’re working with companions,” the spokesperson stated.
Till the foundation trigger behind this challenge is discovered and addressed, Home windows 11 customers with arduous drives which can be over 60% full are suggested to keep away from downloading, copying, or writing giant recordsdata (tens of gigabytes).
46% of environments had passwords cracked, practically doubling from 25% final 12 months.
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