Threats · InfosecFeed Brief

Microsoft confirms KB5002914 Excel update breaks copy and paste

What you need to know

Microsoft has confirmed that copy and paste may silently fail for some Excel users after installing the September 2026 KB5002914 security update. [...]

Source transparency

This is an InfosecFeed curated brief based on reporting from BleepingComputer. InfosecFeed does not claim ownership of the original reporting.

Read the original report at BleepingComputer ↗