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

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Vendors Products
Microsoft Subscribe
Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Subscribe
Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Subscribe
Microsoft Sql Server 2022 For X64-based Systems \(cu27\) Subscribe
Microsoft Sql Server 2025 For X64-based Systems \(cu9\) Subscribe
Sql Server 2017 Subscribe
Sql Server 2019 Subscribe
Sql Server 2022 Subscribe
Sql Server 2025 Subscribe
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Wed, 14 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
Description Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
Title SQL Server Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft microsoft Sql Server 2017 For X64-based Systems \(cu31\)
Microsoft microsoft Sql Server 2019 For X64-based Systems \(cu32\)
Microsoft microsoft Sql Server 2022 For X64-based Systems \(cu27\)
Microsoft microsoft Sql Server 2025 For X64-based Systems \(cu9\)
Microsoft sql Server 2017
Microsoft sql Server 2019
Microsoft sql Server 2022
Microsoft sql Server 2025
Weaknesses CWE-121
CPEs cpe:2.3:a:microsoft:microsoft_sql_server_2017_for_x64-based_systems_\(cu31\):*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_sql_server_2019_for_x64-based_systems_\(cu32\):*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_sql_server_2022_for_x64-based_systems_\(cu27\):*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_sql_server_2025_for_x64-based_systems_\(cu9\):*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server_2017:*:-:*:*:*:*:x64:*
cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*
Vendors & Products Microsoft
Microsoft microsoft Sql Server 2017 For X64-based Systems \(cu31\)
Microsoft microsoft Sql Server 2019 For X64-based Systems \(cu32\)
Microsoft microsoft Sql Server 2022 For X64-based Systems \(cu27\)
Microsoft microsoft Sql Server 2025 For X64-based Systems \(cu9\)
Microsoft sql Server 2017
Microsoft sql Server 2019
Microsoft sql Server 2022
Microsoft sql Server 2025
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-14T17:47:45.753Z

Reserved: 2026-09-23T20:35:19.929Z

Link: CVE-2026-96956

cve-icon Vulnrichment

Updated: 2026-10-13T22:04:36.234Z

cve-icon NVD

Status : Received

Published: 2026-10-13T21:20:14.737

Modified: 2026-10-13T23:19:28.390

Link: CVE-2026-96956

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T09:45:19Z

Weaknesses