CVE-2026-123377 · Package
NO FIX YET
A heap-based buffer overflow in Microsoft Office Outlook lets an unauthorized attacker run code over a network. Successful exploitation would give the attacker code execution on the affected machine.
first public Nov 10, 2026 · 1 source
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Microsoft Office Outlook installations are affected according to the NVD entry. The sources do not name affected versions, editions or configurations, so the exact exposure is unknown.
Who cares microsoft-office, outlook, windows
Unknown from the sources. In the analyst’s queue.
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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