Apr 2026: .NET Denial of Service Vulnerability
CVE-2026-26171 Published on April 14, 2026
.NET Denial of Service Vulnerability
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
Weakness Types
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-26171 has been classified to as a Resource Exhaustion vulnerability or weakness.
What is a XXE Vulnerability?
The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
CVE-2026-26171 has been classified to as a XXE vulnerability or weakness.
Products Associated with CVE-2026-26171
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Affected Versions
Microsoft .NET 10.0:- Version 10.0.0 and below 10.0.6 is affected.
- Version 8.0.0 and below 8.0.26 is affected.
- Version 9.0.0 and below 9.0.15 is affected.