Vulnerability in Microsoft SQL Server 2017 For X64-Based Systems (Cu31)

CVE-2026-118108

Improper authorization in SQL Server allows an authorized attacker to elevate privileges over a network.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

References

Frequently asked questions

What is CVE-2026-118108?
CVE-2026-118108 is a high-severity vulnerability in Microsoft SQL Server 2017 For X64-Based Systems (Cu31). CVSS score: 7.5/10. Published 2026-11-10.
How severe is CVE-2026-118108?
High severity. CVSS v3 base score is 7.5 out of 10.