CVE-2026-50690: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50690) involves the use of an uninitialized resource in the Windows SMB implementation on Windows 10 Version 1607 (build 10.0.14393.0). The flaw permits an authorized attacker with local access to disclose information due to improper initialization of resources. The CVSS 3.1 base score is 5.5, indicating medium severity, with the attack vector limited to local access and requiring low privileges. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to disclose sensitive information on affected Windows 10 Version 1607 systems. The vulnerability does not allow for integrity or availability impact, only confidentiality is affected. 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 by Microsoft to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50690 for patch details and deployment guidance.
CVE-2026-50690: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Description
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50690) involves the use of an uninitialized resource in the Windows SMB implementation on Windows 10 Version 1607 (build 10.0.14393.0). The flaw permits an authorized attacker with local access to disclose information due to improper initialization of resources. The CVSS 3.1 base score is 5.5, indicating medium severity, with the attack vector limited to local access and requiring low privileges. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to disclose sensitive information on affected Windows 10 Version 1607 systems. The vulnerability does not allow for integrity or availability impact, only confidentiality is affected. 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 by Microsoft to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50690 for patch details and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:35:07.080Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50690","vendor":"Microsoft"}]
Threat ID: 6a5676ac68715ace43f09796
Added to database: 07/14/2026, 17:49:32 UTC
Last enriched: 08/13/2026, 15:18:41 UTC
Last updated: 08/26/2026, 22:52:11 UTC
Views: 72
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