CVE-2026-85886
High
Description
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
SeverityHigh
CVSS8.5
Exploit probability—
Product
Microsoft Sql Server
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-122CWE-122
How to fix
Update
- microsoft sql_server_201714.0.2140.2, 14.0.3560.2 or later
- microsoft sql_server_201915.0.2200.2, 15.0.4500.2 or later
- microsoft sql_server_202216.0.1210.3, 16.0.4305.5 or later
- microsoft sql_server_202517.0.1145.4, 17.0.5015.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft sql_server_2017 | 14.0.1000.169 ≤ v < 14.0.2140.2, 14.0.3006.16 ≤ v < 14.0.3560.2 | 14.0.2140.2, 14.0.3560.2 |
| microsoft sql_server_2019 | 15.0.2000.5 ≤ v < 15.0.2200.2, 15.0.4003.23 ≤ v < 15.0.4500.2 | 15.0.2200.2, 15.0.4500.2 |
| microsoft sql_server_2022 | 16.0.1000.6 ≤ v < 16.0.1210.3, 16.0.4003.1 ≤ v < 16.0.4305.5 | 16.0.1210.3, 16.0.4305.5 |
| microsoft sql_server_2025 | 17.0.1000.7 ≤ v < 17.0.1145.4, 17.0.4006.2 ≤ v < 17.0.5015.4 | 17.0.1145.4, 17.0.5015.4 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.