Excel 2016 KB5002934 reissued: paste failures with conditional formatting fixed in build 16.0.5574.1006 (November 2026)
Microsoft re-released the October 13, 2026 Excel 2016 security update KB5002934 as build 16.0.5574.1006 after build 16.0.5574.1005 reintroduced silent paste failures when a workbook uses conditional formatting. The MSI package is available from Microsoft Update and the Download Center; it does not apply to Microsoft 36