CVE-2020-1455: Microsoft SQL Server Management Studio

Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days.

A denial of service vulnerability exists when Microsoft SQL Server Management Studio (SSMS) improperly handles files. An attacker could exploit the vulnerability to trigger a denial of service. To exploit the vulnerability, an attacker would first require execution on the victim system. The security update addresses the vulnerability by ensuring Microsoft SQL Server Management Studio properly handles files.

Affected products

• Microsoft SQL Server Management Studio: before 18.6 (fixed in 18.6)

Published 2020-08-17. Last modified 2026-06-17.