High severity · published Mar 10, 2026
CVE-2026-26115
SQL Server Elevation of Privilege Vulnerability
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Microsoft SQL Server 2016 Service Pack 3 (GDR) · Microsoft
13.0.0 before 13.0.6480.4 · source: vendor
MS
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack · Microsoft
13.0.0 before 13.0.7075.5 · source: vendor
MS
Microsoft SQL Server 2017 (CU 31) · Microsoft
14.0.0 before 14.0.3520.4 · source: vendor
MS
Microsoft SQL Server 2017 (GDR) · Microsoft
14.0.0 before 14.0.2100.4 · source: vendor
MS
Microsoft SQL Server 2019 (CU 32) · Microsoft
15.0.0.0 before 15.0.4460.4 · source: vendor
MS
Microsoft SQL Server 2019 (GDR) · Microsoft
15.0.0 before 15.0.2160.4 · source: vendor
MS
Microsoft SQL Server 2022 (GDR) · Microsoft
16.0.0 before 16.0.1170.5 · source: vendor
MS
Microsoft SQL Server 2022 for x64-based Systems (CU 23) · Microsoft
16.0.0.0 before 16.0.4240.4 · source: vendor
MS
Microsoft SQL Server 2025 (CU 2) · Microsoft
17.0.0.0 before 17.0.4020.2 · source: vendor
MS
Microsoft SQL Server 2025 for x64-based Systems (GDR) · Microsoft
17.0.1050.2 before 17.0.1105.2 · source: vendor
SS
Sql Server 2016 · Microsoft
13.0.6300.2 before 13.0.6480.4; 13.0.7000.253 before 13.0.7075.5 · source: NVD
SS
Sql Server 2017 · Microsoft
14.0.1000.169 before 14.0.2100.4; 14.0.3006.16 before 14.0.3520.4 · source: NVD
Affected product
MS
Microsoft SQL Server 2016 Service Pack 3 (GDR)
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-26115
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-26115
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26115
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