CVE-2026-88083: Microsoft SQL Server Remote Code Execution Vulnerability
Published Oct 13, 2026
·Updated
Microsoft SQL Server Remote Code Execution Vulnerability
Other sources
Stack-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
— Microsoft
Affected Software
19 affected componentsFixes available
Microsoft SQL Server
Microsoft SQL Server 2025<17.0.1145.4
17.0.1145.4
Microsoft SQL Server 2022<16.0.1210.3
16.0.1210.3
Microsoft SQL Server 2025>=17.0.4006.2<=17.0.5005.3
17.0.5015.4
Microsoft SQL Server 2025>=17.0.1000.7<=17.0.1135.8
17.0.1145.4
Microsoft SQL Server 2022>=16.0.4003.1<=16.0.4295.3
16.0.4305.5
Microsoft SQL Server 2022>=16.0.1000.6<=16.0.1200.5
16.0.1210.3
Microsoft SQL Server 2019>=15.0.4003.23<=15.0.4490.9
15.0.4500.2
Microsoft SQL Server 2019>=15.0.2000.5<=15.0.2190.7
15.0.2200.2
Microsoft SQL Server 2017>=14.0.3006.16<=14.0.3550.4
14.0.3560.2
Microsoft SQL Server 2017>=14.0.1000.169<=14.0.2130.4
14.0.2140.2
Microsoft SQL Server 2022<16.0.4305.5
16.0.4305.5
Microsoft SQL Server 2022
Microsoft SQL Server 2025
Microsoft SQL Server 2025<17.0.5015.4
17.0.5015.4
Microsoft SQL Server 2022>=16.0.1000.6<16.0.1210.3
Microsoft SQL Server 2022>=16.0.4003.1<16.0.4305.5
Microsoft SQL Server 2025>=17.0.1000.7<17.0.1145.4
Microsoft SQL Server 2025>=17.0.4006.2<17.0.5015.4
Remediation
Event History
Oct 13, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·08:37 PM
Data Sourced
via MITRE·08:37 PM
DescriptionSeverity
Data Sourced
via NVD·09:19 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Does exploitation require an authenticated SQL Server account or local access?
No authentication or local access is required according to the supplied CVSS vector. The attack vector is network-based, although exploitation has high attack complexity and requires user interaction.
2
Which SQL Server releases are identified as affected?
The affected software list includes Microsoft SQL Server, SQL Server 2022 including CU 26 and CU27, and SQL Server 2025 including CU8 and CU9.