CVE-2026-120789 · Vendor
NO FIX YET
A heap-based buffer overflow in Microsoft Office Excel can be triggered over a network by an unauthenticated attacker. Successful exploitation lets the attacker execute code on the affected machine.
first public Nov 10, 2026 · 1 source
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Machines running Microsoft Office Excel. The sources do not say which Excel builds or file-handling paths are affected, or whether preview or opening a file is enough to trigger it. unknown
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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