8.8

CVE-2026-40370: microsoft microsoft sql server 2016 service pack 3 azure connect feature pack External Control of File Name or Path

CVSS: 8.8v3.1HighAnalyzed
Published 12-05-2026Last modified 10-08-2026
Open JSON

Vulnerability summary

CVE-2026-40370 is a high (CVSS 8.8) External Control of File Name or Path vulnerability in microsoft microsoft sql server 2016 service pack 3 azure connect feature pack. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.5% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.01%
0%100%
Low · +0.45 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-05-2026
    PublishedVulnerability first disclosed.
  2. 10-08-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.01%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

+0.45 pp

From 0.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.01%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft15 products

1 vendor · 15 products

References

1 links