CVE-2026-62903High

Microsoft security update for CVE-2026-62903 — Microsoft.Data.SqlClient

Published
November 10, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-62903 →

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62903. This page also shows what EchelonGraph holds for CVE-2026-62903, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products3

  • Microsoft.Data.SqlClient 6.1
  • Microsoft.Data.SqlClient 7.0
  • Microsoft.Data.SqlClient 7.1

✅ Updates Microsoft lists: 3 updates

3 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
—Security Update6.1.7
—Security Update7.0.3
—Security Update7.1.0-preview3

🧭 EchelonGraph on CVE-2026-62903

EchelonGraph score
7.4 HIGH
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

Authentication bypass by capture-replay in SQL Server allows an unauthorized attacker to disclose information over a network.

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-62903, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (7)