CVE-2026-40370

External control of file name or path in SQL Server allows an authorized attacker to execute code over a network.

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-26)

CWEs

CWE-610, CWE-73

Published

2026-05-12

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• microsoft:sql_server_2016
• microsoft:sql_server_2017
• microsoft:sql_server_2019
• microsoft:sql_server_2022
• microsoft:sql_server_2025

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40370

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