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Fencer Vulns
high 8.8

CVE-2026-26115 json

SQL Server Elevation of Privilege Vulnerability

published 2026-03-10 8 mo ago modified 2026-06-19 4 mo ago also EUVD-2026-10683

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.

Patch / fix

  • Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR) 13.0.6480.4
  • Microsoft Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.7075.5
  • Microsoft Microsoft SQL Server 2017 (CU 31) 14.0.3520.4
  • Microsoft Microsoft SQL Server 2017 (GDR) 14.0.2100.4
  • Microsoft Microsoft SQL Server 2019 (CU 32) 15.0.4460.4
  • Microsoft Microsoft SQL Server 2019 (GDR) 15.0.2160.4
  • Microsoft Microsoft SQL Server 2022 (GDR) 16.0.1170.5
  • Microsoft Microsoft SQL Server 2022 for x64-based Systems (CU 23) 16.0.4240.4
  • Microsoft Microsoft SQL Server 2025 (CU 2) 17.0.4020.2
  • Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1105.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7 mo ago

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% 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 (GDR)
  • Microsoft Microsoft SQL Server 2022 for x64-based Systems (CU 23)
  • Microsoft Microsoft SQL Server 2025 (CU 2)
  • Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR)

Classification

Weakness
  • CWE-1287 Improper Validation of Specified Type of Input
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.