CVE-2026-67626

Microsoft SQL Server Denial of Service Vulnerability

MEDIUM 6.5

At a glance

Source
NVD
EPSS
EPSS 0.88 % · percentile 59 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Awaiting Analysis

Description

Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.

Weaknesses (CWE)

  • CWE-400 — Uncontrolled Resource Consumption (DoS)

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · secure@microsoft.com (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Microsoft · Microsoft SQL Server 2022 (GDR)affected 16.0.0 < 16.0.1210.3
Microsoft · Microsoft SQL Server 2022 for x64-based Systems (CU27)affected 16.0.4003.1 < 16.0.4305.5
Microsoft · Microsoft SQL Server 2025 for x64-based Systems (CU9)affected 17.0.4006.2 < 17.0.5015.4
Microsoft · Microsoft SQL Server 2025 for x64-based Systems (GDR)affected 17.0.1050.2 < 17.0.1145.4

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD