High MSRC-CVE-2026-57108 1 CVE

.NET Denial of Service Vulnerability

Published Jul 14, 2026 · Updated Jul 14, 2026

Vendor: Microsoft

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Security updates
10.0.10 — https://support.microsoft.com/kb/5104034
8.0.29 — https://support.microsoft.com/kb/5104032
9.0.18 — https://support.microsoft.com/kb/5104033

Vulnerabilities 1

High 7.5

CVE-2026-57108

.NET Denial of Service Vulnerability

Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.

Microsoft .NET 9.0 runtime .NET 8.0 runtime .NET 10.0 runtime Ubuntu Alpine Wolfi NuGet

Jul 14, 2026

Revision history

2026-07-14 #1
Information published.

References

CVE-2026-57108 .NET Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57108
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss