What’s Vulnerable › Vulnerabilities

CVE-2020-0789

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-12 · updated 2026-06-17
• Weakness: CWE-59

Description

A denial of service vulnerability exists when the Visual Studio Extension Installer Service improperly handles hard links, aka 'Visual Studio Extension Installer Service Denial of Service Vulnerability'.

Affected products

• Microsoft Visual Studio 2019: from 16.0 through 16.4
• Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3): all versions
• Microsoft Visual Studio 2019: 16.0

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0789
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0789

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