Description
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Published: 2026-09-08
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 17 Sep 2026 20:00:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network. Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Metrics cvssV3_1

{'score': 8.8, 'vector': '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'}

 cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Tue, 15 Sep 2026 19:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:*

Wed, 09 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 08 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Title Microsoft SQL Server Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft sql Server 2017
Microsoft sql Server 2019
Microsoft sql Server 2022
Microsoft sql Server 2025
Weaknesses CWE-122
CPEs 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 sql Server 2017
Microsoft sql Server 2019
Microsoft sql Server 2022
Microsoft sql Server 2025
References
Metrics cvssV3_1

{'score': 8.8, 'vector': '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'}

Subscriptions

Microsoft Sql Server 2017 Sql Server 2019 Sql Server 2022 Sql Server 2025
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-09-17T22:56:04.397Z

Reserved: 2026-07-29T22:49:19.796Z

Link: CVE-2026-67631

cve-icon Vulnrichment

Updated: 2026-09-09T10:04:43.816Z

cve-icon NVD

Status : Modified

Published: 2026-09-08T18:18:23.590

Modified: 2026-09-17T20:17:00.313

Link: CVE-2026-67631

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-08T19:30:07Z

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow