CVE-2026-26115

HIGH
2026-03-10 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
HIGH 8.8

Tags

Information Disclosure Sql Server 2019 Sql Server 2022 Sql Server 2017 Sql Server 2016 Sql Server 2025

Description

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

Analysis

Privilege escalation in SQL Server 2016-2025 stems from insufficient input validation, enabling authenticated network attackers to gain elevated permissions. The high CVSS score of 8.8 reflects complete compromise of confidentiality, integrity, and availability, though no patch is currently available. …

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Remediation

Within 24 hours: Inventory all SQL Server installations and document which versions are affected; restrict database access to only essential users and implement strict role-based access controls. Within 7 days: Deploy network segmentation to isolate SQL Server instances; enable enhanced logging and monitoring for privilege escalation attempts; conduct a security audit of current user permissions. …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: 0

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CVE-2026-26115 vulnerability details – vuln.today
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