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Vulnerability record · CVE-2024-0056 · published 9 January 2024

CVE-2024-0056: Microsoft.data.sqlclient cleartext transmission vulnerability

Microsoft · Microsoft.Data.Sqlclient

Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability

8.7 CVSS 3.1 High EPSS 1.2% · top 33.8% CWE-319 · Cleartext transmission
8.7CVSS 3.1 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-0056 PatchVendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-0056 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-0056), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.