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Fencer Vulns
high 8.8

CVE-2025-55227 json

Microsoft SQL Server Elevation of Privilege Vulnerability

published 2025-09-09 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-27295

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

Improper neutralization of special elements used in a command ('command injection') in SQL Server allows an authorized attacker to elevate privileges over a network.

Patch / fix

  • Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR) 13.0.6470.1
  • Microsoft Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.7065.1
  • Microsoft Microsoft SQL Server 2017 (CU 31) 14.0.3505.1
  • Microsoft Microsoft SQL Server 2017 (GDR) 14.0.2085.1
  • Microsoft Microsoft SQL Server 2019 (CU 32) 15.0.4445.1
  • Microsoft Microsoft SQL Server 2019 (GDR) 15.0.2145.1
  • Microsoft Microsoft SQL Server 2022 (CU 20) 16.0.4212.1
  • Microsoft Microsoft SQL Server 2022 (GDR) 16.0.1150.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
13 mo ago

Exploit prediction

1.42% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/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 (CU 20)
  • Microsoft Microsoft SQL Server 2022 (GDR)

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command
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.