NewsPublished 21 Sep 2026

Microsoft fixes broken Excel copy and paste for all Office users

Source Bleeping Computer

Description

Microsoft resolved a known issue affecting Excel users where copy-and-paste functionality was broken following the installation of the September 2026 security updates. This fix restores normal copy-and-paste operations for all affected Office users.

Impact

Users of Microsoft Excel experienced disruption in basic copy-and-paste functionality, which could hinder productivity but does not represent a security vulnerability or risk of compromise.

Defensive guidance

The issue has been fixed by Microsoft. Users should ensure that the latest updates from September 2026 are installed to receive the fix. No further action is required beyond applying the official update.

Summary

A problem introduced by the September 2026 Microsoft security updates caused copy-and-paste operations in Excel to fail. Microsoft has released a fix addressing this issue, ensuring that Excel's copy-and-paste functionality works correctly for all users after applying the update.

References

bleepingcomputer.com/news/microsoft/microsoft-fixes-broken-excel-copy-and-paste-for-all-office-users/ (opens in a new tab)

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Description

AI analysisMachine-generated, updated 21 Sep 2026, 14:46 UTC

References

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