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Servers and applications

CVE-2026-83945

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Severity
Medium 6.6
Published
13 Oct 2026
Last changed
2 Nov 2026
Added to UpHeron
2 Nov 2026
Fixed in
16.0.1210.3, 16.0.4305.5, 17.0.1145.4, 17.0.5015.4
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft SQL ServerServers and applications · cpe:a:microsoft:sql_server_2022
  • From 16.0.1000.6 before 16.0.1210.3
  • From 16.0.4003.1 before 16.0.4305.5
Microsoft SQL ServerServers and applications · cpe:a:microsoft:sql_server_2025
  • From 17.0.1000.7 before 17.0.1145.4
  • From 17.0.4006.2 before 17.0.5015.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-83945
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-83945