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High severity8.8NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-65674

CVE-2026-65674

Description

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

Affected products

1

Microsoft/SQL Serverllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65674nvd

News mentions

1

Zero-Days Lurk in Microsoft's Overgrown October Patch Tuesday
Dark Reading · Oct 13, 2026