CVE-2026-54117

EUVD-2026-44031
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 64.89%
Affected Products (NVD)
VendorProductVersion
microsoftsql_server_2016
13.0.6300.2 ≤
𝑥
≤
< 13.0.6500.1
microsoftsql_server_2016
13.0.7000.253 ≤
𝑥
≤
< 13.0.7095.1
microsoftsql_server_2017
14.0.1000.169 ≤
𝑥
≤
< 14.0.2120.1
microsoftsql_server_2017
14.0.3006.16 ≤
𝑥
≤
< 14.0.3540.1
microsoftsql_server_2019
15.0.2000.5 ≤
𝑥
≤
< 15.0.2180.2
microsoftsql_server_2019
15.0.4003.23 ≤
𝑥
≤
< 15.0.4480.2
microsoftsql_server_2022
16.0.1000.6 ≤
𝑥
≤
< 16.0.1190.2
microsoftsql_server_2022
16.0.4003.1 ≤
𝑥
≤
< 16.0.4262.2
microsoftsql_server_2025
17.0.1000.7 ≤
𝑥
≤
< 17.0.1125.2
microsoftsql_server_2025
17.0.4006.2 ≤
𝑥
≤
< 17.0.4060.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54117