MICROSOFT OFFICE EXCEL · CVE-2026-118721 · Other
NO FIX YET
A heap-based buffer overflow in Microsoft Excel lets an unauthorized attacker run code over a network. The sources give no further detail on how the file or request is delivered.
first public Nov 10, 2026 · 1 source
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Organizations running Microsoft Office Excel. The sources do not say which versions are affected or what user action triggers the flaw, so exposure cannot be confirmed from this data.
Who cares excel, microsoft-office, windows
No fix yet, per the sources.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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