Interim workarounds confirmed; September 12 updates may fix some versions
2Sep 21 · 2d ago · 1 article · 3 posts · 2 sources · development 2 of 2
Microsoft recommends Paste Special as a temporary workaround for affected users. Users report that September 12 updates for Office 2019, 2021, and 2024 appear to resolve the issue, though Microsoft has not officially confirmed this. Uninstalling KB5002914 restores functionality but removes critical security patches for remote code execution and information disclosure vulnerabilities.
Ghacks
“Even when users attempt to paste content, the original source stays selected and the destination is not changed. In this situation, users get no sign that the operation has failed, for example no beep or error message.”
Microsoft has fixed a known issue that causes copy-and-paste failures for Excel users after installing the September 2026 security updates. https://www. bleepingcomputer.com/news/micr osoft/microsoft-fixes-broken-excel-copy-and-paste-for-all-office-users/