CVE-2026-50508
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Windows NTLM Information Disclosure and Spoofing Vulnerability

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
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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-2026-50508
EUVD
EUVD-2026-35529
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_ntlm *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
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Executive Summary

This vulnerability involves the exposure of sensitive information to an unauthorized actor within the Windows NTLM authentication protocol. It allows an unauthorized attacker to perform spoofing attacks over a network.

Impact Analysis

The vulnerability can impact you by enabling an attacker to spoof identities over a network, potentially gaining unauthorized access or impersonating legitimate users. This can lead to exposure of sensitive information.

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