CVE-2026-88082

Microsoft SQL Server Elevation of Privilege Vulnerability

Published Oct 13, 2026 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Description
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft microsoft Sql Server 2025 For X64-based Systems (gdr)
Vendors & Products Microsoft microsoft Sql Server 2025 For X64-based Systems (gdr)
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
Title Microsoft SQL Server Elevation of Privilege Vulnerability
First Time appeared Microsoft
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 2019
Microsoft sql Server 2022
Microsoft sql Server 2025
Weaknesses CWE-122
CPEs 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_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 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 2019
Microsoft sql Server 2022
Microsoft sql Server 2025
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}