Malicious spreadsheets can execute code in LibreOffice and Apache OpenOffice when Java is enabled, bypassing macro warnings. LibreOffice fixed CVE-2026-63277; OpenOffice still affected. #LibreOffice #OpenOffice #CVE202663277

PoC released for LibreOffice Calc vulnerability CVE-2026-63277, which runs code when a file opens. Five more flaws fixed. Upgrade to 26.2.5.

#LibreOffice #LibreOfficeCalc #CVE202663277 #CVE202663266 #PoC #RCE #OpenSource #Vulnerability