CVE-2026-96956: SQL Server Elevation of Privilege Vulnerability
Published Oct 13, 2026
·Updated
SQL Server Elevation of Privilege Vulnerability
Other sources
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
— Microsoft
Affected Software
24 affected componentsFixes available
Microsoft SQL Server 2025<17.0.1145.4
17.0.1145.4
Microsoft SQL Server 2019<15.0.2200.2
15.0.2200.2
Microsoft SQL Server 2017<14.0.2140.2
14.0.2140.2
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 2019<15.0.4500.2
15.0.4500.2
Microsoft SQL Server 2017<14.0.3560.2
14.0.3560.2
Microsoft SQL Server 2022<16.0.4305.5
16.0.4305.5
Microsoft SQL Server 2025<17.0.5015.4
17.0.5015.4
Microsoft SQL Server 2017>=14.0.1000.169<14.0.2140.2
Microsoft SQL Server 2017>=14.0.3006.16<14.0.3560.2
Microsoft SQL Server 2019>=15.0.2000.5<15.0.2200.2
Microsoft SQL Server 2019>=15.0.4003.23<15.0.4500.2
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·08:35 PM
Data Sourced
via MITRE·08:35 PM
DescriptionSeverity
Data Sourced
via NVD·09:20 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What level of access does an attacker need before attempting exploitation?
The attacker must already be authorized and have high privileges. Exploitation is performed over the network and does not require user interaction, but the attack complexity is rated high.
2
Which SQL Server releases are listed as affected?
The affected software list includes SQL Server 2017, SQL Server 2017 CU31, SQL Server 2019, SQL Server 2019 CU32, SQL Server 2022, SQL Server 2022 CU27, SQL Server 2025, and SQL Server 2025 CU9.
3
What could a successful exploit allow?
A successful exploit could allow privilege elevation. The supplied severity vector indicates high potential impact to confidentiality, integrity, and availability.