CVE-2026-85876: Microsoft SQL Server Elevation of Privilege Vulnerability
Published Oct 13, 2026
·Updated
Microsoft SQL Server Elevation of Privilege Vulnerability
Other sources
Use after free in SQL Server allows an authorized attacker to elevate privileges locally.
— Microsoft
Affected Software
21 affected componentsFixes available
Microsoft SQL Server 2022<16.0.1210.3
16.0.1210.3
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 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 2025
Microsoft SQL Server 2019<15.0.4500.2
15.0.4500.2
Microsoft SQL Server 2025<17.0.5015.4
17.0.5015.4
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·08:36 PM
Data Sourced
via MITRE·08:36 PM
DescriptionSeverity
Data Sourced
via NVD·09:19 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Who is exposed to this vulnerability?
Systems running the listed Microsoft SQL Server 2019, 2022, or 2025 software and cumulative update versions are potentially affected. Exploitation is local rather than network-based.
2
What level of access does an attacker need?
An attacker must already be authorized and have local access with low privileges. No user interaction is required.
3
What could an attacker achieve?
Successful exploitation could allow the attacker to elevate privileges. The supplied severity vector indicates potential impact to confidentiality, integrity, and availability.