CVE-2026-67374 · Runtime
NO FIX YET
A heap-based buffer overflow in Microsoft SQL Server lets a user who already has authorized access send crafted input over the network. A successful attack can run code on the database server.
first public Nov 10, 2026 · 1 source
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Organizations running Microsoft SQL Server that allow network access to it by authorized accounts. The sources do not list affected builds or required non-default configuration, so exposure cannot be confirmed from them. Servers reachable only from trusted local systems with no untrusted accounts carry lower risk.
Not affected if no-network-access, no-untrusted-accounts
Who cares self-hosted, sql-server, windows
SELECT @@VERSION;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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