CVE-2026-32203
Stack-Based Buffer Overflow in .NET, Visual Studio Causes DoS
Publication date: 2026-04-14
Last updated on: 2026-05-06
Assigner: Microsoft Corporation
Description
Description
CVSS Scores
EPSS Scores
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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 | visual_studio_2022 | From 17.12.0 (inc) to 17.12.19 (exc) |
| microsoft | visual_studio_2022 | From 17.14.0 (inc) to 17.14.30 (exc) |
| microsoft | visual_studio_2026 | From 18.4.0 (inc) to 18.4.4 (exc) |
Helpful Resources
Exploitability
| 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-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a stack-based buffer overflow found in .NET and Visual Studio. It allows an unauthorized attacker to cause a denial of service over a network.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, apply the security updates provided by Microsoft for .NET and Visual Studio as soon as possible to prevent unauthorized denial of service attacks.
How can this vulnerability impact me? :
The vulnerability can impact you by enabling an attacker to deny service remotely, potentially causing your applications or services running on .NET or Visual Studio to become unavailable.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability is a stack-based buffer overflow in .NET and Visual Studio that allows an unauthorized attacker to cause a denial of service over a network.
This vulnerability impacts availability but does not affect confidentiality or integrity of data.
Since the vulnerability does not lead to data breach or unauthorized data access, its direct impact on compliance with standards like GDPR or HIPAA, which focus heavily on data protection and privacy, is limited.
However, denial of service incidents can affect system availability requirements under these regulations, so organizations should consider this vulnerability in their risk assessments and mitigation strategies to maintain compliance.