CVE-2026-26115

SQL Server Elevation of Privilege Vulnerability

CVE-2026-26115 is fixed in 10 products on 1 platform, first by KB5077474, released March 10, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0125

69th percentile

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

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)	KB5077474	Mar 10, 2026
Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack	KB5077473	Mar 10, 2026
Microsoft SQL Server 2017 for x64-based Systems (CU 31)	KB5077471	Mar 10, 2026
Microsoft SQL Server 2017 for x64-based Systems (GDR)	KB5077472	Mar 10, 2026
Microsoft SQL Server 2019 for x64-based Systems (CU 32)	KB5077469	Mar 10, 2026
Microsoft SQL Server 2019 for x64-based Systems (GDR)	KB5077470	Mar 10, 2026
Microsoft SQL Server 2022 for x64-based Systems (CU 23)	KB5077464	Mar 10, 2026
Microsoft SQL Server 2022 for x64-based Systems (GDR)	KB5077465	Mar 10, 2026
Microsoft SQL Server 2025 for x64-based Systems (CU2)	KB5077466	Mar 10, 2026
Microsoft SQL Server 2025 for x64-based Systems (GDR)	KB5077468	Mar 10, 2026

Details

Published
March 10, 2026
Weakness
Improper Validation of Specified Type of Input
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26115

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