Description
.NET Denial of Service Vulnerability
Affected products
microsoft: asp.net core; microsoft: visual studio 2022
References2
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21386 PatchVendor Advisory
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21386 PatchVendor Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 2% percentile: 84 · as of 5 November 2026
- CWE
- CWE-400
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.