CVE-2026-54117
Critical
Description
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Microsoft Sql Server
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- microsoft sql_server_201613.0.6500.1, 13.0.7095.1 or later
- microsoft sql_server_201714.0.2120.1, 14.0.3540.1 or later
- microsoft sql_server_201915.0.2180.2, 15.0.4480.2 or later
- microsoft sql_server_202216.0.1190.2, 16.0.4262.2 or later
- microsoft sql_server_202517.0.1125.2, 17.0.4060.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft sql_server_2016 | 13.0.6300.2 ≤ v < 13.0.6500.1, 13.0.7000.253 ≤ v < 13.0.7095.1 | 13.0.6500.1, 13.0.7095.1 |
| microsoft sql_server_2017 | 14.0.1000.169 ≤ v < 14.0.2120.1, 14.0.3006.16 ≤ v < 14.0.3540.1 | 14.0.2120.1, 14.0.3540.1 |
| microsoft sql_server_2019 | 15.0.2000.5 ≤ v < 15.0.2180.2, 15.0.4003.23 ≤ v < 15.0.4480.2 | 15.0.2180.2, 15.0.4480.2 |
| microsoft sql_server_2022 | 16.0.1000.6 ≤ v < 16.0.1190.2, 16.0.4003.1 ≤ v < 16.0.4262.2 | 16.0.1190.2, 16.0.4262.2 |
| microsoft sql_server_2025 | 17.0.1000.7 ≤ v < 17.0.1125.2, 17.0.4006.2 ≤ v < 17.0.4060.2 | 17.0.1125.2, 17.0.4060.2 |
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