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Fencer Vulns
medium 6.5

CVE-2026-67626 json

Microsoft SQL Server Denial of Service Vulnerability

published 2026-10-13 26 d ago modified 2026-10-31 8 d ago also EUVD-2026-100606

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

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

Patch / fix

  • Microsoft Microsoft SQL Server 2022 (GDR) 16.0.1210.3
  • Microsoft Microsoft SQL Server 2022 for x64-based Systems (CU27) 16.0.4305.5
  • Microsoft Microsoft SQL Server 2025 for x64-based Systems (CU9) 17.0.5015.4
  • Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1145.4

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
26 d ago

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Microsoft Microsoft SQL Server 2022 (GDR)
  • Microsoft Microsoft SQL Server 2022 for x64-based Systems (CU27)
  • Microsoft Microsoft SQL Server 2025 for x64-based Systems (CU9)
  • Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR)

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.