CVE-2026-47300: high-severity vulnerability in Microsoft Visual Studio 2022 version 17.12
ASP.NET Core Elevation of Privilege Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.8%
Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Visual Studio 2022 version 17.12Microsoft · Microsoft Visual Studio 2022 version 17.14Microsoft · Microsoft Visual Studio 2026 version 18.7Microsoft · .NET 10.0 runtimeMicrosoft · .NET 8.0 runtimeMicrosoft · .NET 9.0 runtimeRelated CVEs — Microsoft Visual Studio 2022 version 17.12
In the same product, most dangerous first.
CVE-2025-55315CRITICALASP.NET Security Feature Bypass VulnerabilityEPSS 67.2%CVE-2025-47959HIGHVisual Studio Remote Code Execution VulnerabilityEPSS 10.9%CVE-2026-50649HIGH.NET Remote Code Execution VulnerabilityEPSS 4.0%CVE-2026-50646HIGH.NET Framework Remote Code Execution VulnerabilityEPSS 4.0%CVE-2025-53773HIGHGitHub Copilot and Visual Studio Remote Code Execution VulnerabilityEPSS 3.3%CVE-2025-21176HIGH.NET, .NET Framework, and Visual Studio Remote Code Execution VulnerabilityEPSS 2.4%