CVE-2026-118301 · Other
NO FIX YET
Microsoft Office Excel reads a resource before it is initialized, a memory-safety flaw. A remote, unauthenticated attacker could use it to execute code on a victim's machine.
first public Nov 10, 2026 · 1 source
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Organisations and people running Microsoft Office Excel are exposed, most likely when they open a crafted file or document. The sources do not name the affected builds or the exact trigger. Teams that do not run Office can skip it.
Not affected if office-not-installed
Who cares excel, microsoft-office, windows
No fix yet, per the sources.
Use of uninitialized resource 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:H/PR:N/UI:R/S:U/C:H/I:H/A:H
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