CVE intelligence

CVE-2026-40370

Vulnerability intelligence

Published May 12, 2026Sources checked Nov 11, 2026

8.8HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-40370 and is rated High severity with a CVSS score of 8.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: May 12, 2026

Vendor remediation details

Install KB5089899. Install KB5089900. Install KB5090347. Install KB5090408. Install KB5089271. Install KB5089270. Install KB5090354. Install KB5091158. Install KB5091223. Install KB5090407.

Vendor-listed releases

17.0.4040.1
16.0.4252.3
14.0.2110.2
15.0.2170.1
13.0.6490.1
13.0.7085.1
14.0.3530.2
16.0.1180.1
17.0.1115.1
15.0.4470.1

CISA KEVNot listedBased on the latest collected catalog

EPSS0.6%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-40370?

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

Source: NVD