CVE-2026-26127
Received Received - Intake
Out-of-Bounds Read in .NET Causes Remote Denial of Service

Publication date: 2026-03-10

Last updated on: 2026-04-01

Assigner: Microsoft Corporation

Description
Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.
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Meta Information
Published
2026-03-10
Last Modified
2026-04-01
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-26127
EUVD
EUVD-2026-10691
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
microsoft .net From 10.0.0 (inc) to 10.0.4 (exc)
microsoft .net From 9.0.0 (inc) to 9.0.14 (exc)
microsoft bcl.memory From 10.0.0 (inc) to 10.0.4 (exc)
microsoft bcl.memory From 9.0.0 (inc) to 9.0.14 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability is an out-of-bounds read in the .NET framework. It allows an unauthorized attacker to read memory outside the intended boundaries, which can lead to a denial of service (DoS) condition over a network.

Impact Analysis

The primary impact of this vulnerability is that an attacker can cause a denial of service, making the affected .NET service unavailable to legitimate users.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, it is important to apply the security updates provided by Microsoft for .NET as soon as they are available.

Since the vulnerability allows an unauthorized attacker to cause a denial of service over a network, limiting network exposure of affected .NET services until patches are applied can reduce risk.

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