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Description

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

PUBLISHED Reserved 2026-02-11 | Published 2026-03-10 | Updated 2026-03-13 | Assigner microsoft




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-1287: Improper Validation of Specified Type of Input

Product status

13.0.0 (custom) before 13.0.6480.4
affected

13.0.0 (custom) before 13.0.7075.5
affected

14.0.0 (custom) before 14.0.3520.4
affected

14.0.0 (custom) before 14.0.2100.4
affected

15.0.0.0 (custom) before 15.0.4460.4
affected

15.0.0 (custom) before 15.0.2160.4
affected

16.0.0 (custom) before 16.0.1170.5
affected

16.0.0.0 (custom) before 16.0.4240.4
affected

17.0.0.0 (custom) before 17.0.4020.2
affected

17.0.1050.2 (custom) before 17.0.1105.2
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26115 (SQL Server Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-26115)

nvd.nist.gov (CVE-2026-26115)

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