MICROSOFT OFFICE EXCEL · CVE-2026-123385 · Other
NO FIX YET
A stack-based buffer overflow in Microsoft Excel can be triggered over a network by an unauthorized attacker. A successful attack lets the attacker execute code on the victim's machine.
first public Nov 10, 2026 · 1 source
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Any computer running an affected version of Microsoft Excel may be exposed, and the sources do not say which builds are affected or what the exact trigger is. Systems that open Excel files from untrusted sources are the most likely path, but the sources do not confirm this. unknown
Who cares excel, microsoft-office, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Stack-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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