MICROSOFT OFFICE EXCEL · CVE-2026-120791 · Other
NO FIX YET
A heap-based buffer overflow in Microsoft Office Excel lets an unauthorized attacker run code on a machine over a network. The sources give a CVSS score of 8.8 and do not say which Excel versions are affected or how the file or network path is triggered.
first public Nov 10, 2026 · 1 source
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Organizations and people who run Microsoft Office Excel. The sources do not say which Excel builds or configurations are affected, or whether a crafted file or a network service is needed to trigger it.
Who cares excel, microsoft-office, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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