---
id: CVE-2023-21705
title: Microsoft SQL Server Remote Code Execution Vulnerability
summary: Microsoft SQL Server Remote Code Execution Vulnerability
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-321
vendor: Microsoft
product: Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE)
affected:
  - >-
    sql_server_2012_for_x64-based_systems_service_pack_4_qfe >= 11.0.0 <
    11.0.7512.11
  - sql_server_2012_service_pack_4_qfe >= 11.0.0 < 11.0.7512.11
  - sql_server_2014_service_pack_3_cu_4 >= 12.0.0 < 12.0.6174.8
  - sql_server_2014_service_pack_3_gdr >= 12.0.0 < 12.0.6444.4
  - sql_server_2016_service_pack_3_gdr >= 13.0.0 < 13.0.6430.49
  - >-
    sql_server_2016_service_pack_3_azure_connect_feature_pack >= 13.0.0 <
    13.0.7024.30
  - sql_server_2017_cu_31 >= 14.0.0 < 14.0.3460.9
  - sql_server_2017_gdr >= 14.0.0 < 14.0.2047.8
  - sql_server_2019_cu_18 >= 15.0.0 < 15.0.4280.7
  - sql_server_2019_gdr >= 15.0.0 < 15.0.2101.7
  - sql_server_2022_gdr >= 16.0.0 < 16.0.1050.5
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-11-02T22:19:35.309555Z'
published: '2023-02-14'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T22:27:52.058Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2023-21705'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21705'
    label: Microsoft SQL Server Remote Code Execution Vulnerability
tags:
  - cve.org
epss: 0.01123
epssPercentile: 0.66322
ingestedAt: '2026-11-05T19:30:42.875Z'
---

## Overview

Microsoft SQL Server Remote Code Execution Vulnerability

## Affected

- `sql_server_2012_for_x64-based_systems_service_pack_4_qfe >= 11.0.0 < 11.0.7512.11`
- `sql_server_2012_service_pack_4_qfe >= 11.0.0 < 11.0.7512.11`
- `sql_server_2014_service_pack_3_cu_4 >= 12.0.0 < 12.0.6174.8`
- `sql_server_2014_service_pack_3_gdr >= 12.0.0 < 12.0.6444.4`
- `sql_server_2016_service_pack_3_gdr >= 13.0.0 < 13.0.6430.49`
- `sql_server_2016_service_pack_3_azure_connect_feature_pack >= 13.0.0 < 13.0.7024.30`
- `sql_server_2017_cu_31 >= 14.0.0 < 14.0.3460.9`
- `sql_server_2017_gdr >= 14.0.0 < 14.0.2047.8`
- `sql_server_2019_cu_18 >= 15.0.0 < 15.0.4280.7`
- `sql_server_2019_gdr >= 15.0.0 < 15.0.2101.7`
- `sql_server_2022_gdr >= 16.0.0 < 16.0.1050.5`

## Remediation

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