CVE-2026-83945: Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

PriorityP344medium6.6CVSS 3.1

AVNACHPRHUINSUCHIHAH

EPSS

0.42%

35.5th percentile

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
microsoft	microsoft_sql_server_2022	>= 16.0.0 < 16.0.1210.3	16.0.1210.3
microsoft	microsoft_sql_server_2022_for_x64-based_systems	>= 16.0.4003.1 < 16.0.4305.5	16.0.4305.5
microsoft	microsoft_sql_server_2025	—	—
microsoft	microsoft_sql_server_2025_for_x64-based_systems	>= 17.0.1050.2 < 17.0.1145.4	17.0.1145.4
microsoft	microsoft_sql_server_2025_for_x64-based_systems	>= 17.0.4006.2 < 17.0.5015.4	17.0.5015.4

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