CVE Catalog

CVE-2026-67631

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.63%

48th percentile - higher than 48% of all known CVEs

Summary

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

Risk Assessment

An attacker could remotely execute arbitrary code on the database server, potentially leading to full system and data compromise.

Recommendation

Apply available security updates for SQL Server and restrict network access to database instances.

Other vulnerabilities in Microsoft SQL Server

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Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS