VDB

CVE-2026-77484

CVE-2026-77484 PUBLISHED CVSS 8.8 HIGH

Reported by microsoft · Published September 8, 2026

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

Risk Scores

CVSS 3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected Products

VendorProductVersions
MicrosoftMicrosoft SQL Server 2019 (CU 32)15.0.0.0
MicrosoftMicrosoft SQL Server 2019 (GDR)15.0.0
MicrosoftMicrosoft SQL Server 2022 (CU 26)16.0.0.0
MicrosoftMicrosoft SQL Server 2022 (GDR)16.0.0
MicrosoftMicrosoft SQL Server 2025 (CU8)17.0.0.0
MicrosoftMicrosoft SQL Server 2025 for x64-based Systems (GDR)17.0.1050.2
MicrosoftMicrosoft SQL Server 2025 (CU8)17.0.0.0
microsoftsql_server_202517.0.1050.2, 17.0.0.0
MicrosoftMicrosoft SQL Server 2019 (CU 32)15.0.0.0
MicrosoftMicrosoft SQL Server 2025 for x64-based Systems (GDR)17.0.1050.2
microsoftsql_server_201915.0.0, 15.0.0.0
MicrosoftMicrosoft SQL Server 2022 (GDR)16.0.0
MicrosoftMicrosoft SQL Server 2019 (GDR)15.0.0
MicrosoftMicrosoft SQL Server 2022 (CU 26)16.0.0.0
microsoftsql_server_202216.0.0, 16.0.0.0

Timeline

  • Sep 8, 2026 Coalition ESS Score
  • Sep 8, 2026 CVE Published
  • Sep 9, 2026 Security Advisory
  • Sep 9, 2026 CVE Updated

References

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