Resource Exhaustion in SQL Server

Publication date: 2026-10-13

Last updated on: 2026-10-15

Assigner: Microsoft Corporation

Description

Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-15

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-88084

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Microsoft	SQL Server 2019 (GDR) 15.0.0
Microsoft	Microsoft	SQL Server 2019 for x64-based Systems (CU32) 15.0.4003.23
Microsoft	Microsoft	SQL Server 2025 (CU8) *

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-770	The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Attack-Flow Graph

Executive Summary

This vulnerability involves SQL Server allocating resources without proper limits or throttling. An authorized attacker can exploit this to deny service over a network by overwhelming the system with requests.

Impact Analysis

The impact includes potential denial of service, causing SQL Server to become unresponsive or crash. This disrupts database operations and may lead to downtime for applications relying on the server.

Mitigation Strategies

Apply the latest security updates or cumulative updates for the affected SQL Server versions to address the resource allocation issue.

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