cbcvebase.
CVE-2026-26116
published 2026-03-10

CVE-2026-26116: Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a…

PriorityP265high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
1.19%
64.4th percentile
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.

Affected

13 ranges
VendorProductVersion rangeFixed in
microsoftmicrosoft_sql_server_2025>= 17.0.0.0 < 17.0.4020.217.0.4020.2
microsoftmicrosoft_sql_server_2025_for_x64-based_systems>= 17.0.1050.2 < 17.0.1105.217.0.1105.2
microsoftsql_server_2016>= 13.0.6300.2 < 13.0.6480.413.0.6480.4
microsoftsql_server_2016>= 13.0.7000.253 < 13.0.7075.513.0.7075.5
microsoftsql_server_2017>= 14.0.1000.169 < 14.0.2100.414.0.2100.4
microsoftsql_server_2017>= 14.0.3006.16 < 14.0.3520.414.0.3520.4
microsoftsql_server_2019>= 15.0.2000.5 < 15.0.2160.415.0.2160.4
microsoftsql_server_2019>= 15.0.4003.23 < 15.0.4460.415.0.4460.4
microsoftsql_server_2022>= 16.0.1000.6 < 16.0.1170.516.0.1170.5
microsoftsql_server_2022>= 16.0.4003.1 < 16.0.4240.416.0.4240.4
microsoftsql_server_2025>= 17.0.1000.7 < 17.0.1105.217.0.1105.2
microsoftsql_server_2025>= 17.0.4006.2 < 17.0.4020.217.0.4020.2
msrcmicrosoft_sql_server_2025_for_x64-based_systems

Detection & IOCsextracted from sources · hover to see the quote

  • An authenticated attacker with explicit permissions exploits the vulnerability by logging in to the SQL server and elevating privileges to sysadmin via SQL injection.
  • Successful exploitation results in SQL sysadmin privilege gain — monitor for unexpected sysadmin role assignments or privilege escalation events in SQL Server audit logs.
  • Attack vector is network-based and requires an authorized (authenticated) attacker — monitor for anomalous SQL queries from authenticated low-privilege accounts, especially those containing SQL injection patterns targeting privilege escalation.
  • ·Patching requires selecting the correct update path (GDR vs CU) based on current SQL Server version and update history. Switching from GDR to CU is a one-way change.
  • ·Affected SQL Server versions span 2016 through 2025; SQL Server versions not listed in the patch table are no longer supported and require upgrade.
  • ·No public exploit exists as of the advisory date, and exploitation is rated 'Less Likely' by Microsoft.

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc8.8HIGH
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