Microsoft Visual Studio 2019 Version 16.11 CVEs and Security Vulnerabilities

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CVE-2026-70197

.NET and Visual Studio Remote Code Execution Vulnerability

Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

.net .net 10.0 Installed On Linux .net 10.0 Installed On Mac Os and 16 more

CVE-2026-118147

Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Visual Studio 2017 Version 15.9 Microsoft Visual Studio 2019 Version 16.11 Microsoft Visual Studio 2022 Version 17.14 and 2 more

CVE-2026-102870

Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

.net 10.0 Installed On Linux .net 10.0 Installed On Mac Os .net 10.0 Installed On Windows and 10 more

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