CVE-2026-77488

Microsoft SQL Server Information Disclosure Vulnerability

Published Sep 8, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information 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
CPEs cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:*
Type Values Removed Values Added
First Time appeared Microsoft microsoft Sql Server 2017 (cu 31)
Microsoft microsoft Sql Server 2017 (gdr)
Microsoft microsoft Sql Server 2019 (cu 32)
Microsoft microsoft Sql Server 2019 (gdr)
Microsoft microsoft Sql Server 2022 (cu 26)
Microsoft microsoft Sql Server 2022 (gdr)
Microsoft microsoft Sql Server 2025 (cu8)
Microsoft microsoft Sql Server 2025 For X64-based Systems (gdr)
Vendors & Products Microsoft microsoft Sql Server 2017 (cu 31)
Microsoft microsoft Sql Server 2017 (gdr)
Microsoft microsoft Sql Server 2019 (cu 32)
Microsoft microsoft Sql Server 2019 (gdr)
Microsoft microsoft Sql Server 2022 (cu 26)
Microsoft microsoft Sql Server 2022 (gdr)
Microsoft microsoft Sql Server 2025 (cu8)
Microsoft microsoft Sql Server 2025 For X64-based Systems (gdr)
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.
Title Microsoft SQL Server Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft sql Server 2017
Microsoft sql Server 2019
Microsoft sql Server 2022
Microsoft sql Server 2025
Weaknesses CWE-191
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': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}