---
id: CVE-2026-96956
title: >-
  Stack-based buffer overflow in SQL Server allows an authorized attacker to
  elevate privileges over a network.
summary: >-
  Stack-based buffer overflow in SQL Server allows an authorized attacker to
  elevate privileges over a network.
severity: high
cvss: 8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-121
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T23:19:28.390'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96956'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96956'
    label: secure@microsoft.com
tags:
  - nvd
ingestedAt: '2026-10-13T21:58:14.201Z'
---

## Overview

Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.