CVE-2026-124176 · Other
NO FIX YET
A heap-based buffer overflow in Microsoft Excel lets an unauthorized attacker trigger memory corruption over a network. The sources say an attacker could execute code on the affected machine.
first public Nov 10, 2026 · 1 source
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Organizations running Microsoft Office Excel. The sources do not list affected Excel build numbers or whether opening a file is required, so the exposure window is unknown.
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.
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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