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CVE-2026-54118 Details

Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54118	[email protected]	PatchVendor Advisory

CWE-ID	CWE Name	Source
CWE-502	Deserialization of Untrusted Data	[email protected]

Product	Versions
microsoft sql server 2016	>= 13.0.6300.2, < 13.0.6500.1 >= 13.0.7000.253, < 13.0.7095.1
CPE cpe:2.3:a:microsoft:sql_server_2016:::::::x64:* Remediation No remediation found in references.
microsoft sql server 2017	>= 14.0.1000.169, < 14.0.2120.1 >= 14.0.3006.16, < 14.0.3540.1
CPE cpe:2.3:a:microsoft:sql_server_2017:::::::x64:* Remediation No remediation found in references.
microsoft sql server 2019	>= 15.0.2000.5, < 15.0.2180.2 >= 15.0.4003.23, < 15.0.4480.2
CPE cpe:2.3:a:microsoft:sql_server_2019:::::::x64:* Remediation No remediation found in references.
microsoft sql server 2022	>= 16.0.1000.6, < 16.0.1190.2 >= 16.0.4003.1, < 16.0.4262.2
CPE cpe:2.3:a:microsoft:sql_server_2022:::::::x64:* Remediation No remediation found in references.
microsoft sql server 2025	>= 17.0.1000.7, < 17.0.1125.2 >= 17.0.4006.2, < 17.0.4060.2
CPE cpe:2.3:a:microsoft:sql_server_2025:::::::x64:* Remediation No remediation found in references.

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