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Microsoft Excel KB5002914 update breaks copy and paste for some users
Reported by BleepingComputer · Sep 10, 2026 7:07 PM
Automated brief: This page adds defensive context to a third-party headline. Verify facts, scope, affected versions, indicators, and attribution in the original source.
What is being reported
Microsoft Excel users report that this week's KB5002914 Office security update is breaking copy-and-paste operations and formula dragging, with affected users saying that removing or rolling back the update restores normal functio…
Why defenders should review it
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Defensive review checklist
- Verify the report with the original publisher and identify whether affected products or services exist in your environment.
- Record decisions, evidence, owners, and deadlines in the incident or vulnerability-management system.
Evidence and attribution
Raven Academy has not independently validated this event. Treat attribution, victim counts, exploit status, and impact as claims from the named publisher until corroborated.