CVE-2026-118714 · Other
NO FIX YET
A heap-based buffer overflow in Microsoft Excel lets an attacker send a crafted input over the network to run code. The sources give no details on the exact file format or trigger path.
first public Nov 10, 2026 · 1 source
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Organizations running Microsoft Office Excel are potentially exposed, since the attack is reachable over the network without authentication according to the NVD description. The sources do not say which Excel builds or file types are affected, so 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
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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