CVE-2026-50508 Details
Description
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
A vulnerability in Windows NTLM allows unauthorized attackers to perform network spoofing by exposing sensitive information to them. This issue affects multiple Windows products and versions, including Windows Server 2012 R2, Windows Server 2012, Windows Server 2016, Windows 10 Version 1607, Windows 11 Version 22H2, and Windows Server 2022. The vulnerability arises from the improper handling of sensitive information, which could be exploited to impersonate another user or device over the network.
Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5094041, KB5094042, KB5094122, KB5093998, and KB5094128.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 9, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50508 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1607 | < 10.0.14393.9234 |
CPE
Remediation
| |
| microsoft windows 11 22h2 | < 10.0.22631.7219 |
CPE
Remediation
| |
| microsoft windows server 2004 | < 10.0.19045.7417 |
CPE
Remediation
| |
| microsoft windows server 2012 | r2 |
CPE
Remediation
| |
| microsoft windows server 2016 | < 10.0.14393.9234 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5256 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | Initial Analysis | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 9, 2026 | New CVE Received | [email protected] |