CVE-2026-62899: medium-severity vulnerability in Microsoft Visual Studio 2022 version 17.14
.NET Security Feature Bypass Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.9epss 0.7%
Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Visual Studio 2022 version 17.14Microsoft · Microsoft Visual Studio 2026 version 18.8Microsoft · .NET 10.0 runtimeMicrosoft · .NET 8.0 runtimeMicrosoft · .NET 9.0 runtimeRelated CVEs — Microsoft Visual Studio 2022 version 17.14
In the same product, most dangerous first.
CVE-2025-55315CRITICALASP.NET Security Feature Bypass VulnerabilityEPSS 66.5%CVE-2025-47959HIGHVisual Studio Remote Code Execution VulnerabilityEPSS 10.9%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-2026-32178HIGH.NET Spoofing VulnerabilityEPSS 2.3%CVE-2026-32203HIGH.NET and Visual Studio Denial of Service VulnerabilityEPSS 1.9%