What’s Vulnerable › Vulnerabilities

CVE-2019-1486

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-10 · updated 2026-06-17
• Weakness: CWE-601

Description

A spoofing vulnerability exists in Visual Studio Live Share when a guest connected to a Live Share session is redirected to an arbitrary URL specified by the session host, aka 'Visual Studio Live Share Spoofing Vulnerability'.

Affected products

• Microsoft Visual Studio 2019: from 16.0 through 16.4
• Microsoft Visual Studio Code Live Share extension: before 1.0.1374 — fixed in 1.0.1374
• Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3): all versions
• Microsoft Visual Studio Live Share extension: all versions
• Microsoft Visual Studio 2019: 16.0

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code Live Share extension 1.0.1374. Check the vendor advisory for mitigations.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1486
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1486

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