CVE-2026-71328
Analyzed
Analyzed - Analysis Complete
Heap-based Buffer Overflow in Visual Studio
Vulnerability report for CVE-2026-71328, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-08
Last updated on: 2026-09-11
Assigner: Microsoft Corporation
Description
Description
Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | visual_studio_2026 | From 18.9.0 (inc) to 18.9.3 (exc) |
| microsoft | visual_studio_2022 | From 17.14.0 (inc) to 17.14.40 (exc) |
| microsoft | .net | From 10.0.0 (inc) to 10.0.12 (exc) |
| microsoft | .net | From 8.0.0 (inc) to 8.0.31 (exc) |
| microsoft | .net | From 9.0.0 (inc) to 9.0.20 (exc) |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
