CVE-2026-88082
Awaiting Analysis Awaiting Analysis - Queue

Heap-based Buffer Overflow in SQL Server

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-13
Last Modified
2026-10-16
Generated
2026-10-19
AI Q&A
2026-10-15
EPSS Evaluated
2026-10-18
NVD
CVE-2026-88082

Affected Vendors & Products

Showing 7 associated CPEs
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 2022 (GDR) 16.0.0
Microsoft Microsoft SQL Server 2022 for x64-based Systems (CU27) 16.0.4003.1
Microsoft Microsoft SQL Server 2025 (CU8) *
Microsoft Microsoft SQL Server 2025 for x64-based Systems (CU9) 17.0.4006.2
Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a heap-based buffer overflow vulnerability in Microsoft SQL Server. It allows an authorized attacker with local access to elevate their privileges by exploiting a flaw in memory handling.

Impact Analysis

An attacker could gain elevated privileges on the system running SQL Server, potentially leading to unauthorized access, data manipulation, or system compromise. This requires local access but could allow full control of the database server.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating compliance requirements for data protection standards like GDPR and HIPAA. Organizations using affected SQL Server versions may face regulatory penalties.

Mitigation Strategies

Apply the latest cumulative updates for affected SQL Server versions to patch the heap-based buffer overflow vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-88082. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart