CVE-2026-85886: Microsoft SQL Server Remote Code Execution Vulnerability
Published Oct 13, 2026
·Updated
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Other sources
Microsoft SQL Server Remote Code Execution Vulnerability
— 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 2022<16.0.1210.3
16.0.1210.3
Microsoft SQL Server 2017<14.0.2140.2
14.0.2140.2
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 2017<14.0.3560.2
14.0.3560.2
Microsoft SQL Server 2025<17.0.5015.4
17.0.5015.4
Microsoft SQL Server 2019<15.0.4500.2
15.0.4500.2
Microsoft SQL Server 2022<16.0.4305.5
16.0.4305.5
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·08:36 PM
Data Sourced
via MITRE·08:36 PM
DescriptionSeverity
Data Sourced
via NVD·09:19 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Does exploitation require an authenticated SQL Server account or user interaction?
Exploitation requires an authorized attacker with low privileges and network access to the affected SQL Server instance. No user interaction is required, although the attack complexity is rated high.
2
Which SQL Server releases are identified 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.