CVE-2026-65674: Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.

PriorityP264high8.8CVSS 3.1

AVNACLPRLUINSUCHIHAH

EPSS

0.88%

58.6th percentile

Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.

Affected

6 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_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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