CVE-2026-42914
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Kerberos Denial of Service in Windows

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Windows Kerberos Denial of Service Vulnerability
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-42914
EUVD
EUVD-2026-35726
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
microsoft windows to 2026-42914 (inc)
microsoft windows *
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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Compliance Impact

This vulnerability causes a Denial of Service (DoS) condition in Windows Kerberos, which can impact system availability.

While the vulnerability does not directly affect confidentiality or integrity, the resulting service disruption could potentially impact compliance with standards and regulations that require system availability, such as GDPR and HIPAA.

However, there is no explicit information provided about direct compliance impacts in the available resources.

Executive Summary

CVE-2026-42914 is a vulnerability in the Windows Kerberos authentication protocol that can lead to a Denial of Service (DoS) condition.

Impact Analysis

This vulnerability can cause a Denial of Service, meaning that affected Windows systems may become unavailable or unresponsive due to exploitation of this issue.

Mitigation Strategies

The vulnerability causes a Denial of Service with a maximum severity rated as Important.

To mitigate this vulnerability, it is recommended to apply any security updates or patches provided by Microsoft as soon as they become available.

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