What is CVE-2026-118104?

CVE-2026-118104 is a medium-severity vulnerability in Microsoft SQL Server 2017 For X64-Based Systems (Cu31), classified under Use of Uninitialized Resource. CVSS score: 6.5/10. Published 2026-11-10.

How severe is CVE-2026-118104?

Medium severity. CVSS v3 base score is 6.5 out of 10.

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

CVE-2026-118104

Use of uninitialized resource in SQL Server allows an authorized attacker to disclose information over a network.

Published 2026-11-10 · last modified 2026-11-10.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118104 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-118104?: CVE-2026-118104 is a medium-severity vulnerability in Microsoft SQL Server 2017 For X64-Based Systems (Cu31), classified under Use of Uninitialized Resource. CVSS score: 6.5/10. Published 2026-11-10.
How severe is CVE-2026-118104?: Medium severity. CVSS v3 base score is 6.5 out of 10.