LibreOffice and OpenOffice Flaws Let Malicious Spreadsheets Run Code Without Macro Warnings

October 6, 2026 · 11:57 am 1 sources

Image: The Hacker News

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• LibreOffice and OpenOffice Flaws Let Malicious Spreadsheets Run Code Without Macro Warnings
  The Hacker News · October 6, 2026 11:57
  A malicious spreadsheet can make LibreOffice and Apache OpenOffice run an attacker's code as soon as the file is opened, security researchers have shown. There is no warning first, of the kind either program shows before it runs a macro. The attack works only when the program's Java support is…