CVE-2026-67646 · Vendor
NO FIX YET
A heap-based buffer overflow in Microsoft SQL Server lets a logged-in attacker overwrite memory over the network. The sources say this can lead to code execution.
first public Nov 10, 2026 · 1 source
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Organizations running Microsoft SQL Server where attackers hold valid accounts that can reach the server over the network. The sources do not list affected versions. unknown for whether default configurations are exposed.
Not affected if no-authorized-accounts, no-network-access
Who cares database, sql-server, windows
SELECT @@VERSION and compare it with the fixed builds in Microsoft's advisory for CVE-2026-67646.No fix yet, per the sources.
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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