CVE-2026-62899
Microsoft · Published August 11, 2026
5.9
CVSS v3.1
MEDIUMPatch availableGet patch
Description
.NET Security Feature Bypass Vulnerability. Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.
Affected Products
- .NET 10.0 installed on Mac OS
- .NET 10.0 installed on Linux
- .NET 8.0 installed on Windows
- .NET 8.0 installed on Linux
CVSS Vector
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