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CVE-2020-17100: Visual Studio Tampering Vulnerability

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-11 · updated 2026-06-17

Description

Visual Studio Tampering Vulnerability

Affected products

• Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8): from 15.0 through 15.9
• Microsoft Visual Studio 2019: from 16.0 through 16.6; 16.8
• Microsoft Visual Studio 2019 version 16.0: from 16.0 before publication — fixed in publication
• Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3): from 16.0 before publication — fixed in publication
• Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6): from 16.0.0 before publication — fixed in publication
• Microsoft Visual Studio 2019 version 16.8: from 16.0 before publication — fixed in publication
• Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8): from 15.9.0 before publication — fixed in publication

How to fix

Upgrade to a fixed version: Microsoft Visual Studio 2019 version 16.0 publication; Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) publication; Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) publication; Microsoft Visual Studio 2019 version 16.8 publication; Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) publication. Check the vendor advisory for mitigations.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17100
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17100

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