Microsoft’s investigation into reports that the August 2025 Windows 11 cumulative update (commonly tracked as KB5063878) was “bricking” some consumer SSDs concludes — for now — that there is no detectable, platform‑wide link between the patch and the drive failures circulating on social media...
A wave of community test results and vendor confirmations this week has put the latest Windows 11 cumulative update under a harsh spotlight: several SSDs can disappear from Windows during sustained, large write operations after installing the August 12, 2025 update (KB5063878), with a...
A wave of reproducible reports and a parallel burst of misinformation have combined to create one of the more consequential Patch Tuesday headaches in recent memory: Microsoft’s August 12, 2025 cumulative for Windows 11 (KB5063878) has been linked to SSDs disappearing under sustained, heavy...
Microsoft has acknowledged an active investigation after multiple community researchers, test benches and SSD vendors reported that the Windows 11 August cumulative (commonly tracked as KB5063878, OS Build 26100.4946) can cause certain SSDs to vanish from the operating system during sustained...
Microsoft and SSD vendors are scrambling after multiple independent testers and users reported that a recent Windows 11 cumulative update can make NVMe SSDs vanish from the operating system during sustained large writes — a failure mode that in some cases has left files corrupted or drives...
backup
enterprise it
firmwarefirmwareadvisory
heavy-writes
hmb
host memory buffer
kb5063878
large i/o
microsoft
nvme ssd
phison
recovery regression
ssd data loss
storage regression
vendor management
windows 11
windows update
Phison has confirmed it is investigating a widespread storage regression tied to Windows 11’s August cumulative update (KB5063878) while simultaneously denouncing and legally challenging a circulated document that falsely claims to be an internal Phison report linking the problem exclusively to...
Microsoft and SSD vendors have opened a coordinated investigation after multiple independent testers and users reported that the August Windows 11 cumulative update (KB5063878, OS Build 26100.4946) can, in rare but reproducible cases, cause some SSDs to stop responding or “vanish” during...