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Fencer Vulns
critical 9.8

CVE-2026-54118 in the critical feed json

Microsoft SQL Server Remote Code Execution Vulnerability

published 2026-07-14 3 mo ago modified 2026-11-01 7 d ago also EUVD-2026-44032

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.

Patch / fix

  • Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR) 13.0.6500.1
  • Microsoft Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.7095.1
  • Microsoft Microsoft SQL Server 2017 (CU 31) 14.0.3540.1
  • Microsoft Microsoft SQL Server 2017 (GDR) 14.0.2120.1
  • Microsoft Microsoft SQL Server 2019 (CU 32) 15.0.4480.2
  • Microsoft Microsoft SQL Server 2019 (GDR) 15.0.2180.2
  • Microsoft Microsoft SQL Server 2022 (GDR) 16.0.1190.2
  • Microsoft Microsoft SQL Server 2022 for x64-based Systems (CU 25) 16.0.4262.2
  • Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1125.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
3 mo ago

Exploit prediction

1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR)
  • Microsoft Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack
  • Microsoft Microsoft SQL Server 2017 (CU 31)
  • Microsoft Microsoft SQL Server 2017 (GDR)
  • Microsoft Microsoft SQL Server 2019 (CU 32)
  • Microsoft Microsoft SQL Server 2019 (GDR)
  • Microsoft Microsoft SQL Server 2022 (GDR)
  • Microsoft Microsoft SQL Server 2022 for x64-based Systems (CU 25)
  • Microsoft Microsoft SQL Server 2025 (CU 6)
  • Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR)

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data
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.