CVE-2026-88083

High

Description

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

SeverityHigh
CVSS7.5
Exploit probability—
ProductMicrosoft Sql Server
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-121CWE-121

How to fix

Update
  • microsoft sql_server_202216.0.1210.3, 16.0.4305.5 or later
  • microsoft sql_server_202517.0.1145.4, 17.0.5015.4 or later

Affected products

ProductAffected versionsFixed in
microsoft sql_server_202216.0.1000.6 ≤ v < 16.0.1210.3, 16.0.4003.1 ≤ v < 16.0.4305.516.0.1210.3, 16.0.4305.5
microsoft sql_server_202517.0.1000.7 ≤ v < 17.0.1145.4, 17.0.4006.2 ≤ v < 17.0.5015.417.0.1145.4, 17.0.5015.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.