CVE-2026-20803

Summary

Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.

Affected Software

VendorProductVersion RangeStatus
MicrosoftMicrosoft SQL Server 2022 (GDR)16.0.0 < 16.0.1165.1affected
MicrosoftMicrosoft SQL Server 2022 for x64-based Systems (CU 22)16.0.0.0 < 16.0.4230.2affected
MicrosoftMicrosoft SQL Server 2025 for x64-based Systems (GDR)17.0.1050.2 < 17.0.1050.2affected

Weaknesses

  • CWE-306: CWE-306: Missing Authentication for Critical Function

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References