CVE-2026-109494 · Other
NO FIX YET
A heap-based buffer overflow in Microsoft Office Visio lets an unauthorized attacker trigger memory corruption over a network. The sources say the attacker can execute code on the affected machine.
first public Nov 10, 2026 · 1 source
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Organizations running Microsoft Office Visio on Windows. The sources do not state the affected build ranges, the required user interaction, or any special configuration, so the exposure window is unknown. Systems without Visio installed are not affected.
Not affected if visio-not-installed
Who cares microsoft-office, visio, windows
No fix yet, per the sources.
Heap-based buffer overflow in Microsoft Office Visio 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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