CVE-2026-88082: Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

PriorityP340high7CVSS 3.1

AVLACHPRLUINSUCHIHAH

EPSS

0.18%

7.4th percentile

Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
microsoft	microsoft_sql_server_2019	>= 15.0.0 < 15.0.2200.2	15.0.2200.2
microsoft	microsoft_sql_server_2019_for_x64-based_systems	>= 15.0.4003.23 < 15.0.4500.2	15.0.4500.2
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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