Sep 2026: Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-67642 Published on September 8, 2026
Microsoft SQL Server Remote Code Execution Vulnerability
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Weakness Type
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Products Associated with CVE-2026-67642
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Affected Versions
Microsoft SQL Server 2025 (CU8):- Version 17.0.0.0 and below 17.0.4085.5 is affected.
- Version 17.0.1050.2 and below 17.0.1135.8 is affected.