CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It affects Microsoft. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
GitHub PoC Links
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2026-25667
Severity
HIGH
CVSS
7.5
EPSS
3.00%
Microsoft
Original NVD Description
ASP.NET Core Kestrel in Microsoft .NET 8.0 before 8.0.22 and .NET 9.0 before 9.0.11 allows a remote attacker to cause excessive CPU consumption by sending a crafted QUIC packet, because of an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing.
Related CVEs
Other vulnerabilities affecting the same vendor(s)