SecurityBleepingComputerabout 2 hours ago
Microsoft Confirms KB5002914 Update Breaks Excel Copy-Paste
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Microsoft has confirmed that the September 2026 KB5002914 security update causes copy and paste to silently fail in Excel. The issue affects Excel versions 2024, 2021, 2019, and 2016, with users reporting that autofill and formula dragging also break. The company is researching the problem, which provides no error message upon failure.
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