As cited
Copy frozen at (site build).
vulnerabilities
Microsoft fixes broken copy and paste for Excel 2016 users
Microsoft addressed a copy-and-paste malfunction affecting some Excel 2016 users following the September 2026 security update KB5002914. The issue has been resolved in a follow-up fix.
Why it matters: Excel 2016 users who installed KB5002914 need to apply the corrective update to restore normal clipboard functionality and avoid workflow disruptions.
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- First seen by Cybersecurity Tracker