MICROSOFT OFFICE OUTLOOK · CVE-2026-123383 · Package
NO FIX YET
A heap-based buffer overflow in Microsoft Office Outlook lets an unauthorized attacker reach code execution over a network. The NVD entry gives a CVSS score of 8.8 and does not describe the trigger in detail.
first public Nov 10, 2026 · 1 source
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Organizations running Microsoft Office Outlook are likely exposed, since the flaw is reachable over a network without authentication. The sources do not name affected versions or the exact trigger, so the exposed configurations are unknown.
Who cares microsoft-office, outlook, windows
No fix yet, per the sources.
Heap-based buffer overflow in Microsoft Office Outlook 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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