CVE-2026-50508: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50508) involves the exposure of sensitive information in Windows NTLM authentication on Windows 10 Version 1607 (build 10.0.14393.0). An unauthorized attacker could exploit this flaw to perform spoofing attacks over a network by leveraging the exposed information. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). Microsoft has released an official fix to remediate this issue.
Potential Impact
The vulnerability allows unauthorized actors to gain access to sensitive information, which can be used to spoof identities over a network. This compromises confidentiality but does not impact integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50508 to remediate this vulnerability.
CVE-2026-50508: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Description
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50508) involves the exposure of sensitive information in Windows NTLM authentication on Windows 10 Version 1607 (build 10.0.14393.0). An unauthorized attacker could exploit this flaw to perform spoofing attacks over a network by leveraging the exposed information. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). Microsoft has released an official fix to remediate this issue.
Potential Impact
The vulnerability allows unauthorized actors to gain access to sensitive information, which can be used to spoof identities over a network. This compromises confidentiality but does not impact integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50508 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T19:00:41.292Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50508","vendor":"Microsoft"}]
Threat ID: 6a284d1c8dd33fbd85665b65
Added to database: 06/09/2026, 17:27:56 UTC
Last enriched: 07/29/2026, 22:09:58 UTC
Last updated: 07/31/2026, 20:44:47 UTC
Views: 78
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