CVE-2026-33116
Modified
Modified - Updated After Analysis
Infinite Loop Vulnerability in .NET Causes Remote Denial of Service
Vulnerability report for CVE-2026-33116, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-04-14
Last updated on: 2026-06-30
Assigner: Microsoft Corporation
Description
Description
Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | .net | From 10.0.0 (inc) to 10.0.6 (exc) |
| microsoft | .net | From 8.0.0 (inc) to 8.0.26 (exc) |
| microsoft | .net | From 9.0.0 (inc) to 9.0.15 (exc) |
| microsoft | .net_framework | 3.5 |
| microsoft | .net_framework | 4.7.2 |
| microsoft | .net_framework | 4.6.2 |
| microsoft | .net_framework | 4.7 |
| microsoft | .net_framework | 4.7.1 |
| microsoft | .net_framework | 4.8 |
| microsoft | .net_framework | 4.8.1 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
| CWE-835 | The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. |
| CWE-776 | The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities. |
| CWE-400 | The product does not properly control the allocation and maintenance of a limited resource. |
