CVE-2026-50649
Analyzed
Analyzed - Analysis Complete
Deserialization of Untrusted Data in .NET Framework
Vulnerability report for CVE-2026-50649, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-07-14
Last updated on: 2026-07-24
Assigner: Microsoft Corporation
Description
Description
Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | .net_framework | 4.8.1 |
| microsoft | .net_framework | 4.8 |
| microsoft | .net_framework | 4.6.2 |
| microsoft | .net_framework | 4.7 |
| microsoft | .net_framework | 4.7.1 |
| microsoft | .net_framework | 4.7.2 |
| microsoft | .net_framework | 3.5 |
| microsoft | .net | From 8.0.0 (inc) to 8.0.29 (exc) |
| microsoft | .net | From 9.0.0 (inc) to 9.0.18 (exc) |
| microsoft | visual_studio_2026 | From 18.7.0 (inc) to 18.7.4 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
