CVE-2026-96235

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Out-of-Bounds Write in .NET Framework

Publication date: 2026-10-13

Last updated on: 2026-10-14

Assigner: Microsoft Corporation

Description

Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-13

Last Modified

2026-10-14

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-96235

EUVD

EUVD-2026-100208

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	.NET	10.0 10.0.0
Microsoft	.NET	11.0 11.0.0
Microsoft	.NET	8.0 8.0.0
Microsoft	.NET	9.0 9.0.0
Microsoft	Microsoft	Visual Studio 2022 version 17.14 17.14.0
Microsoft	Microsoft	Visual Studio 2026 version 18.10 18.10.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds write flaw in .NET that enables an unauthorized attacker to execute arbitrary code remotely over a network. It affects multiple versions of .NET and Visual Studio.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially leading to data theft, system compromise, or further network attacks. The high CVSS score indicates significant risk.

Compliance Impact

This vulnerability allows remote code execution, which could lead to unauthorized access or data breaches. Such incidents may violate compliance requirements under GDPR (data protection) and HIPAA (health data security) if sensitive data is exposed or altered.

Mitigation Strategies

Apply the latest security updates from Microsoft for .NET and Visual Studio as soon as they become available to patch the out-of-bounds write vulnerability.

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